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2015
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July
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PhD report (June 2015) A.Mzyk
06/07/15
In June, I have worked on cell growth on micropatterned surfaces with different geometries obtained by laser interference lithography. Results of the PhD thesis research concept continuation will be presented at the ESB 2015 conference which will be held in Krakow this summer .
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PhD report (June 2015) A.Mzyk
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June
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Ph.D finish - MTrybula
30/06/15
The main subject of the research were three liquid ternary Al-Li-Zn alloys of compositions corresponding to three intermetallic phases present in the solid state of the Al-Li-Zn system. Foundation for analysis of the ternary system was laid bythe investigation of three constituent binaries: Al-Li, L -
PhinisheD
17/06/15
On the important day, the eleventh of May, I finally defended my dissertation.
The defense was quick and smooth :)
Since this is the end of this story, let me just summarize my work in a nutshell:
The most basic aspect of analysis of grain boundaries is their geometry. With rec -
Now, the end of PhD distress
12/06/15
Finally, I got PhD degree. The book entitled "Microstructural conditions of plastic deformation of Mg-based AZ31 alloy" is printed and available. In the next months I'm going to focus on cooperation with some supervisors of the projects. -
ZStarowicz Summary
11/06/15
Finally the studies are finished. The scientific degree of Doctor of Phylosophy has been defended. The thesis entilted "Eleboration and characterisation of plasmonic structures for photovoltaic applications" was published. Here is summary of my disertation:
Modern solar cells in thei -
QE calculations MTrybula
10/06/15
QE calculations for liquid metallic solutions. In fact, vibrational density of states were determined to thermodynamic investigations.
NMR spectra of solid materials have been computed using CP2K and MM/QM methods. -
PhD report (May 2015) A. Mzyk
05/06/15
The big day of the 7th May came finally. I completed my PhD story in the project and nothing has changed. I am the same person with the same dreams about real science. In the mean time I participated in EMRS Spring Meeting conference were I took a breath of fresh air. Now it is time for preparing to
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Ph.D finish - MTrybula
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May
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May report
30/05/15
In May most of the time was dedicated to preparation of the final verion of the PhD theis, introduction of final corrections. The second thing was preparation the presentation for the defence and the speech. -
PhD defense MTrybula
21/05/15
The manuscript was printed out. Conclusions emerging from presented in PhD thesis are as follows:
Regarding thermodynamic: "Associates" presence was confirmed using ternary interactions parameters develeoped in this work.
From thermophysics perspective, ternary effect were -
PhD report (April 2015) A.Mzyk
18/05/15
This month I was working on cytotoxicity of variety type of coatings. Finally, my PhD thesis was submitted to the review procedure. I also passed an exam of materials science. In the next step I will prepare presentation on the dissertation defense day. -
April
05/05/15
This month was dedicated to the final exam in materials science.
I was reading and learning, desperately trying to fill the gaps in my knowledge.
Luckily, I passed the exam.
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May report
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April
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April report
30/04/15
In April I was mostly concentrated on response to the Rewievers questions or comments. Besides the major questions I had obtained from them considerable number of mainor comments and corrections that I had to include in the final version of the thesis. -
March
22/04/15
It is possible to show on EBSD map projections of vectors normal to the common plane twin 102. Moreover, for a number of selected grains pole figures were prepared: on your own system, TSL and HKL. We can see that:
1. The limits of Twin are very well defined and the directions normal to the pla -
2PT model for thermodynamics - MTrybula
21/04/15
Preparation for exam from materials science. Continuation of themodynamic modelling perfroming quantum calculations for binaries. Elaboration a thermodynamic model for entropy analysis of metallic solutions using 2PT approach (two-phase model). -
PhD report (March 2015) A.Mzyk
08/04/15
This month was a final step in dissertation writing. Described results might be fundamental for modern type of tissue analog preparation.Migration channels in form of straight lines obtained in ablation process provided the control of smooth muscle cells migration and spreading, mimicking their org -
March (K. Glowinski)
08/04/15
My dissertation was sent to the reviewers. There is no more chance to improve the manuscript.
I'm waiting for their comments.
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April report
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March
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March repeort
30/03/15
In this month I investigated formation of silver nanoparticles using metal island film technique. Four layers having thicknesses of 7, 10, 15 and 20 nm were sputtered at a rate of 2 A / s on polished Si wafers. . The deposited layer thickness was read on a quartz microbalance. The resulting silver l -
PhD Thesis MTrybula
12/03/15
The last corrections introduced into Doctoral Disseration before sending for review. TMS meeting in Orlando/USA - discussion of alloying element influence on thermodynamic, structural and thermophysical properties of liquid Al-Li base alloys. -
February, K. Glowinski
11/03/15
I visited colleagues at Gent University. They
are able to collect 3D orientation maps
of very large volumes thanks to serial sectioning via mechanical polishing.
Since they have nice experimental data and I have my tools for data analysis,
We are now working together on a paper. -
PhD report (A.Mzyk) February 2015
03/03/15
In February adsorption and kinetics of VEGF protein release from various PEMs was determined based on ELISA results. Moreover, the same method was applied to VEGF and interleukin IL6 release by endothelial cells evaluation on the analogous films. The short abstract on EuroMat 2015 conference arose f
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March repeort
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February
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Investigation of real NPs microstructure features
27/02/15
The optimal simulated structure was approached in the experiments. Deposition from concentrated 140 nm NPs suspension enabled of 11 % surface coverage. For this sample the measured reflection was about 25 % in the vissible range while simulation predicted antireflection like effect with even 0 % ref -
PhD report January
10/02/15
Magnesium alloys are among the lightest structural materials and have a sufficient yield strength at the same time, what determines their potential use in the aerospace and automotive industries. Currently, magnesium alloys are used on a small scale in the parts are not subjected to high dynamic loa -
PhD report January 2015 (A.Mzyk)
06/02/15
This month sweat and tears have been my companions. Besides of dissertation writing, I was working on selection of the most favorable PEM-architecture for VEGF adsorption and endothelial cell adhesion and viability, as well as investigated in vitro bioactivity of the VEGF-functionalized biomaterial. -
3D-analysis MTrybula
04/02/15
3D pair analysis for liquid binary and ternary metallic solutions have been performed. Local short-range structure from both used approaches are adequate. Bond-angle distribution functions have been also determined. -
January / K.Glowinski
02/02/15
I spent the first two weeks of this new year in Amsterdam attending
a school dedicated to molecular-dynamics simulations, MolSim2015.
Besides, I was polishing my dissertation.
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Investigation of real NPs microstructure features
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January
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Optimization of plasmon enhancend absorption 0,5um thick Si layer
31/01/15
The optimization have been performed using FDTD Solution simulation. Unit cell of perfect silver particles array on top of Si layer were investigated. The absorption was calculated from the transmission monitors located at the Si surface and at the depth of 0,5 um. The changing parameters were NPs -
December
19/01/15
December was another month that was dominated by
writing subsequent chapters of my dissertation.
At the end of the month, the first draft
of the dissertation was ready. -
PhD thesis MTrybula
14/01/15
Correction of PhD draft. Improvement of one's own program for surface tension modelling.
Development NJ programs for ternanry system. -
PhD report A. Mzyk (December 2014)
03/01/15
This year December was not a white but a bloody red month due to hemocompatibility evaluation of PEMs modified by SiC nanoparticles. All tests in the accompaniment of Christmas carols could be listen from the radio in the background were performed on the home-made devices such as the aortic flow sim
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Optimization of plasmon enhancend absorption 0,5um thick Si layer
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July
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2014
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December
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Simulation studies and model particles adsorption studies
30/12/14
FDTD Simulation set up was rearranged in order to obtian optimal simualtion conditions. Simualtion of low index materials like silver reiured very fine mesh and careful parameter adjustement. It was done by convergence testing and camparison of simulated and theoretical results of extinction cross s -
Winter is coming - be prepared!
21/12/14
The days are short and dark. Everyday I ride bicykle through the fields and roads in cold and rain. I'm lucky that the distance is not too far -
3D analysis MTrybula
17/12/14
Data analysis of physicochemical properties: measured and those modelled. Comaparative study expressed in 3D representation.
Program implenetation for bond analysis of metallic systems - Voronoi analysis.
Application NJ programs for detailed structural analysis - angle distribution -
PhD report A. Mzyk (November 2014)
13/12/14
This November was a long month full of cycling through the Leoben in Austria. I spent all my time on practicing tribology measurement methods, samples scratching and PACVD deposition techniques. I have measured mechanical properties of polyelectrolyte coatings based on 24 bilayers of PLL/HA containi -
November
03/12/14
Maybe, I won't be very original, but I was writing, and writing, and writing...
trying to extract the essence of my research.
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Simulation studies and model particles adsorption studies
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November
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cd. vis. and surf. ten. model MTrybula
29/11/14
Continuation of preceded work related to implemation of models for practical usage.
The applied model have been used for three examined ternary compositions. In meantime, experiment is organized for measuerement of three physicochemical properties -
PhD report A.Mzyk (October 2014)
13/11/14
The main task of October concerns investigations under kinetics of proteins’ release from polyelectrolyte coatings which were modified by chemical cross-linking or silver/SiC nanoparticles incorporation. The ELISA immunoassay was performed in order to assess level of VEGF growth factor concentration -
October
08/11/14
Basically, I spent most of October writing the first chapters
of my doctoral dissertation. I wrote "Introduction" and "State of the field" parts.
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cd. vis. and surf. ten. model MTrybula
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October
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visosity and surface tension modelling_MTrybula
26/10/14
Implementaion Fortran codes for viscosity and surface tension modelling. Two wariants have been used, the first one includes only binary parmeters and second variant considers binary and ternary interaction parameters. For visosity modellig, Kaptay, KPR and Gasior models have been used while Butler -
PhD report (September 2014) A. Mzyk
13/10/14
Recently, I was working on cells migration and directional growth on coatings modified by the migration channels. This month passed me faster than usual due to my participation in 26th Annual Conference European Society for Biomaterials (ESB) conference in Liverpool, the XV International Conference -
September
06/10/14
I attended the ICOTOM conference held in Dresden, where I had a talk
whose content could be more or less thought of as
a brief summary of my work carried out during these PhD studies. -
PhD rep Sep
05/10/14
In September the third meeting of Joint PhD Seminar within 24-28 at the Fraunhofer-Institut für Keramische Technologien und Systeme Fraunhofer IKTS and f. Werkstoff- und STRAHLTECHNIK IWS Dresden, Germany. The organizers were Enano Group, Dresden University of Technology. At the seminar heard a seri
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visosity and surface tension modelling_MTrybula
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September
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August
09/09/14
We adopted Rodriguez-Frank orientation space for description of {10-12} twin variants, sorted by increasing Schmid factor values. In the examined examples we distinguished three pairs of those variants (1+2, 3+4 and 5+6) as the SF values were very similar for those pairs. The representation of those -
August report
08/09/14
Lately I've been preparing the PV silicon cells for final experiment: implementation of silver nanoparticles on the cell front. Parallel to that the suspesions were optimized and the deposition condition were tested. On the field of computer simulation I finished investigation of possible mech -
DTA vs lever rule_MTrybula
04/09/14
Differential Thermal Analysis was performed for three different aluminum based alloys. Investigation of melting behaviour in binaries and determination of relative crystallinity as a function of temperature for two cooling rates. Comparative study: DTA vs. lever rule.
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August (K. Glowinski)
04/09/14
Most of the passed month I spent on preparing
myself for the ICOTOM conference I attended in the end of the month.
This includes both slides for my presentation
and paper that is to be published in conference proceedings.
At the conference I presented a couple of
practical a -
PhD report (August 2014) A.Mzyk
03/09/14
This month I spent most of my time on microscopic observations of PEMs modified by nanoparticles. Silver nanoparticles were introduced by in situ nucleation method from salt solution in three different pH values to obtain various particles density. Further cytotoxicity experiments were performed. I -
J Kawalko August '14
02/09/14
In August I have participated in ICOTOM 17 (International Conference on Textures of Materials) and attended to Grain Boundary Engineering tutorial both organized in Dresden, Germany. In weeks before conference I helped prepare the article to be published in conference proceedings, as well as attende
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August
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August
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FVM-development MTrybula
30/08/14
Application of a free volume model to binaries both displaying tendency to compound formation and phase segregation. Analysis of the relationship between thermodynamic and two microscopic functions. It allowed to detect a significant mismatch which we tried to understand and explain. Postulated exp -
July
17/08/14
The deformation at 0.039 true strain resulted in enhanced mechanical {10-12} twinning (Fig. 3c). Lenticular-shaped twins formed several parallel boundaries inside the parent grain. They can be easily distinguished by the red colour, which denotes that c axes of crystallite is parallel to extrusion a -
PhD report (July 2014) A.Mzyk
13/08/14
In sunny and hot July I spent most of time working on microbiological experiments of my beloved PEMs. Of course the main idea is to prevent bacteria's settlement at the materials surface but how to obtain such effect??? At first it is necessary to check if adhesion occurs at all. I have already -
July report Z.Starowicz
05/08/14
The month of July was dedicated to work on the deposition of nanoparticles from the obtianed colloidal solutions, computer simulations and I starter preparing a doctoral thesis. At the end of the month were held weekly researcher visit at the Institute of Physics, Polish Academy of Sciences in Warsa -
July report by K. Glowinski
04/08/14
In July, I decided to fill the gaps in my knowledge.
I've read a lot of paper. This was
the first step in writing of my PhD thesis.
In order to write a good introductory part I needed
to refresh information concerning
properties of materials which are affected by grain
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FVM-development MTrybula
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July
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CMD_Al alloys (MTrybula)
28/07/14
Development of potential parameters to describe the interatomic interactions of liquid aluminium alloys. Fitting those parameters to first principles calculations. Finally, determination of structural and dynamic properties as a function of temperature. -
PhD report June 2014 A.Mzyk
13/07/14
First month of summer time I spent for the LLP-ERASMUS individual training programme internship in the Joanneum Research Forschunsgesellschaft mbH Materials – Institute of Surface Technologies and Photonics Functional Surfaces from 01.06.2014 to 28.06.2014 in Leoben – Austria.
I had an opportun -
June
09/07/14
The texture presented in Fig. 2a favours tensile 10-12 twinning during compression along R3 axis (Z axis of the sample). That is because c axes of crystallites lie perpendicular to axis of compression and they are subjected to tension in this deformation mode.
Due to presence of six equivalent -
Things done in June by K. Glowinski
08/07/14
I started writing a paper on my computer program.
At this stage, it's time to release a version
which could be used by some researchers outside.
However, before this could be done, the software must be
documented, which is a tedious part of work :) -
June report
08/07/14
During the last month I was preparing the postconference paper. Since the confrence materials from EMRS 2014 symp. I could be published in journal "Sol-gel science and technlogy" the proposed paper was entitled "Photochemical silver nanoparticles deposition on sol-gel TiO2 for plasmon
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CMD_Al alloys (MTrybula)
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June
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PhD report (June 2014) J.Poplewska
30/06/14
This month I was preparing to pass the final examination of PhD in the field of materials science. After passing the exam I got involved in writing the article to Materials Science and Engineering. To do so, I had to first complete the experiment with plane stress compression. All experiment works w -
Raport_MTrybula
20/06/14
Participation at International Meeting: CALPHAD and THERMAM. Presentation of results of liquid binaries including atomistic calculations and those based on classical equation of atoms movement. They were compared to measured data. These studies were also supplemented by semi-empirical consideration -
K. Glowinski (May report)
12/06/14
I May I was studying various models which link
macroscopic boundary parameters to energies of boundaries.
I've written a piece of software that
assumes an energy function with some free parameters
and tries to fit the model to data from
molecular simulations available i -
J Kawalko May
04/06/14
In may I had some more opportunity to exercise with in-situ annealing of titanium samples inside FEG SEM with EBSD capabilities. This time we decided it would be interesting to perform heating with heating ratio similar to one used for DSC measurements and at specific temperatures where we expected -
PhD report (May 2014) J.Poplewska
04/06/14
May was the month extreme full of work. I finally completed writing a dissertation paper. I have done missing EBSD/SEM measurements for recrystallized samples of Al-Zr.
I also passed exams on philosophy and foreign language. -
PhD report (May 2014) A.Mzyk
04/06/14
May was dedicated to HUVECs seeding on the surface of variuos samples modified by nanoparticles and 24 bl PLL/HA cross-linked or non-cross-linked films for Impact R assay. I prepared coatings for tribological measurements and PACVD modification for my forthcoming visit in Leoben. -
May
04/06/14
The microstructure inhomogeneity, like group of several adjacent grains cut by the shear bands, is typical for the deformed material (see Fig. 3). Deformation process significantly refines the grains. The area-weighted average grain size of the sample deformed to 13% is ca. 8.3 μm. We obse -
May
04/06/14
In this study we adopted the Rodriguez parameterization for description of preferred twin variants in the orientation space. The Rodriguez-Frank orientation space for hexagonal 6/mmm lattice filled with ca. 〖10〗^4 vectors is presented in Fig. 2 [10,11]. The main axes of this co -
May report
03/06/14
Recently, I was concentrated on colloidal solutions. I obtained new suspension of 100-120nm nanoparticles with high concentration. I tried other solutions as well. But only with this mentioned I obtained clearly visible change in appearance of silicon wafer after particles deposition. The solution h
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PhD report (June 2014) J.Poplewska
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May
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J Kawalko April
10/05/14
In april we have started the investigations of titanium after deformation by the ECAP technique. We've received two types of samples, one after 4 passes of ECAP route C and other after 8 passes. First some TEM investigations have been performed to reveal bimodal distribution of grain sizes as w -
PhD report (April 2014) J.Poplewska
08/05/14
I have done analysis of obtained results for Al-Zr aluminium alloy. I have considered microstructural changes of the pre-deformed alloy during annealing at temperature in range 200°C -300°C. The grain size statistics have been done. Samples of the Al-Zr alloy were prepared to annealing at 50°C, 100° -
April
07/05/14
The hardness measurements confirmed that investigated processing of Mg-AZ31 alloy strengthen the material. The micro-hardness test performed at two arrangements of the Knoop indenter longer axis, i.e. parallel to ED and parallel to RD, revealed anisotropy of mechanical properties of the examined pi -
April/Glowinski
07/05/14
Taking advantage of ERASMUS program I visited
Institute of Physics of Materials of the Academy of Sciences of the Czech Republic in Brno.
I spent there a week exchanging experience
concerning computation of grain boundary distributions.
I was also trying to learn basics of
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April report
07/05/14
In the previous month, the focus was on the study of titanium dioxide substrates for photochemical method and FDTD simulation software of the particles no the cell front configuration.
The simulation stage included simulation set up preaparation and its advancing. Within the titania substrates -
PhD report April 2014 A.Mzyk
06/05/14
Bloody Spring has came… In the darkness of air conditioned lab I have started hemocompatibility assays. PEMs were prepared on PCV tubes in order to perform experiments in aortic flow simulator. I’ve also continued CLSM visualization of smooth muscle cells growing on samples modified by m -
K.Kubok phD report (April 2014)
04/05/14
During last month I finished some corronsion experiments on heat-treated samples. The results are very promising. Moreover I have started to write and article about precipitations sequence in my alloys and their crystallographic orientations versus orientation of the matrix - the work is in progress -
structure o fliquids_MTrybula
03/05/14
Comparison of structural and transport properties of selected liquid binary Al-based alloys, including bond analysis.
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J Kawalko April
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April
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March
24/04/14
Research on compression hydrostatic structural elements of magnesium alloys for the three samples of alloy AZ91 and the three samples of alloy AZ31 -shaped flanges with the following parameters : the upper surface of the sample - 225 mm ², clearances on the sleeve in a matrix - 10um , strain rate - -
March report (K. Glowinski)
23/04/14
In March, after many months, I finally got a review
of my paper "Analysis of experimental grain boundary distributions based on boundary-space metrics",
and it will be published in Metallurgical and Materials Transactions A.
I added a couple of features to my program, e.g., -
March 2014/P. Bobrowski
22/04/14
This month I was writing my PhD thesis. I was mainly focused on the 'Results' chapter. It took a lot of effort to prepare all the necessary graphs, pictures, plots and to write what is the meaning of all of them. I was also processing experimental results obtained in the previous month. -
PhD report G. Kulesza (March'14)
22/04/14
I took a new theme of quantum wires. According to literature data, it is possible to obtain such a nanostructures by chemical treatment. This means that the quantum wires do not have to be carried out only by lithography methods. Processing involves the metal particles deposition, which are reaction -
PhD HK
22/04/14
I'm still writing my PhD thesis. Among otherst, this month I'm working on the following chapters:
- Electrodeposition of Zn from aqueous baths
- Electrodeposition of Mo from aqueous bath
- Combination of zinc with molybdenum
- Zn-Mo phase diagram
- Electrodepositio -
ADL technique and MD data _ MTrybula
17/04/14
Sample preparation for study of structural properties of liquid binary alloys using aerodynamic livitation method. The X-ray scattering data will be obtained with the new high temperature setup based on aerodynamic levitation and laser heating. Static measurements on liquid has been also performed w -
March report
14/04/14
I have been working lately with colloidal solutions.
I was adsorbing 100mm Ag particles with previously described procedure from 20ppm solution in one hour. Optically visible chnges was observed after particle deposition(blue or green washy colour). Further inestigation was reflection mea -
PhD report March 2014 A.Mzyk
13/04/14
In women’s month I was working on 12, 24 PLL/HA and PLL/ALG bilayer polyelectrolyte films preparation in order to assess adsorption of FBS proteins. I prepared polymer coatings on samples modified by migration channels. Samples were settled by the smooth muscle cells culture. -
PhD report (March 2014) J.Poplewska
04/04/14
I have done this month:
- sample preparation to SEM obserwation;
- orientation maps measurment (EBSD/SEM technique) for 3004 and Al-Zr aluminium alloys;
- plane strain compression for the 1050 aluminium alloy in the deformed state (after 0, 1- and 3- passes through ECAP die);
- a -
PhD report (March 2014) K. Stan-Glowinska
04/04/14
This month I was writing the next chapter of my PhD thesis, which in fact is the most important one and concerns the final results of my work.
In the meantime I have tried to finish the last part of experiments connected with the characterization of bulk samples. -
K.Kubok phD report (March 2014)
02/04/14
During this month I have stared to pepare to very important presentation in my institute. I tried to revised all the data from previous years and conclude them - unfortunately it is not done yet. Moreover, I started corrosion experiments on heat-treated samples. -
PhD report (March 2014) M. Gajewska
01/04/14
Writing in progress…
Last month’s theme: RESULTS
Tons of graphs, images, schemes to prepare and describe. -
March
01/04/14
This month I've started analyzing the data from EBSD measurements which involved preparing maps charts, textures and pole figures from crystallographic data. Unfortunately after consultations with colleagues from AGH it seems that much of obtained microstructural data is strongly affected by sa
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March
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March
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PhD HK
31/03/14
Currently I'm writing my PhD thesis.
In march I've worked on the following chapters:
- Galvanic coatings for corrosion protection
- Zinc based coatings for corrosion protection of steel
- Methods of production of metal and alloy coatings
- Electrochemical depositi -
February
18/03/14
The compression tests were conducted February easily deformable AZ31 alloy rod together with acoustic emission measurement . A rod having a diameter of 3 mm was cut into pieces, then złączono them together and sanded to a height of 5 mm. However, because of departures from perpendi -
February report
14/03/14
In case of Layer by Layer method of silver nanoparticles deposition, druring last month I confinred the deoposition condition.
As preliminary cleaning and activation of the polished silicon substrates the mixture of sulfuric acid and hydrogen peryoxide (2:1 vol.) was used.
Polyelectrolyte -
PhD report February 2014 A.Mzyk
13/03/14
In February I took papers and covered up with my blanket. I spent winter evenings sitting close to the heater with a cup of cacao. Page by page I traversed methodology of silver and gold nanoparticles formation in PEMs. Finally I found the best solution and performed some successful experiments. I h -
PhD report G. Kulesza (February'14)
10/03/14
Still working to make my thesis perfect. Moreover, some photoluminescence maps have been done. Unfortunately, texturing influence the defects formation or indicate them. It means that after texturing the quality of the silicon material is worse. That is the effect of minority carrier lifetime which -
February report by K. Glowinski
10/03/14
In February, I received great new that my paper "On identification
of symmetric and improperly quasi-symmetric grain boundaries"
has been accepted for publication in Journal of Applied Crystallography.
Moreover, I was working on analysis of two grain boundary datasets< -
PhD report (February 2014) J.Poplewska
06/03/14
Thins month I completed writing an introduction, genesis, material and mathods in my PhD thesis entitled: "Role of low-angle boundaries in microstructure and texture transformations during annealing of severely deformed aluminum alloys"
I made analysis of changes of Intensities -
February
06/03/14
Last month we started investigations of new batch of KoBo deformed zinc along with zinc deformed conventionally. For each method two types of initial material with different history have been used. This way influence of method and type of starting material microstructure on final properties can be i -
February 2014/ P. Bobrowski
05/03/14
The FIB gun is working again!
After about 3 months brake I can continue my research. I investigated a series of four YSZ samples this month. Samples differed by the sintering temperature. I am going to check who the grain boundary geometries look like in those sinters. Additionally, I was impro -
K.Kubok phD report (February 2014)
04/03/14
Dear all, this month - in oppostion to previous one - full of progress. I have finished all corriosion experiments with as-cast samples. Morover I had a pleasure to participate in "ECS international crystallography school - introduction to tomography". I have learnt a lot about new program -
Surface phenomena MTrybula
04/03/14
Surface phenomena in liquid binary metallic systems is performed using molecular dyanmics and Monte Carlo methods. The influence of surface composition on surface tension is analysed.
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PhD HK
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February
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PhD HK
28/02/14
In February I continued the study of the corrosion of chosen Zn-Mo coatings on steel using the following techniques: OCP, EIS, LP. -
MD and QLT vs. experiment MTybula
28/02/14
Local ordering of the liquid binary alloys were analysed. Their influence on thermo-physical properties were also examined using molecular dynamics method and quasi-lattice theory. Computational results were discussed with available experimental data. -
February K. Stan Glowinska
28/02/14
This month I was writing the next chapter to my PhD thesis concerning methodology and materials utilized in my work.
I have also prepared an abstract for the Electron Crystallography School – Introduction to electron diffraction tomography. -
PhD report (February 2014) M.Gajewska
28/02/14
This month I finished writing the literature review chapter and materials and experimental procedure chapter of my thesis.
I also submitted two abstracts for following scientific events:
- "XV International Conference on Electron Microscopy"
- "Electron Crystallog -
PhD report January 2014 A.Mzyk
17/02/14
This January was the time to summary results of cytotoxicity experiments. Thus multilayer polyelectrolyte films consist of chitosan/chondroitin sulfate polymers exhibit a fast biodegradability in the environment of human tissues. Lifetime extension of this material type could be implemented by its s -
January report
13/02/14
Last month I submitted an abstract entitled
"Toward effective analysis of large grain boundary data sets"
for the ICOTOM conference. I did some work
concerning comparison of experimentally obtained
grain boundary distributions with
grain boundary energy models and -
January
08/02/14
In january heating stage have been installed, and series of experiments have been performed, among them in-situ recrystallization of KoBo deformed titanium. Temperatures of heating experiment have been chosen basing on previously performed DSC analysis of KoBo deformed titanium. This analysis yield -
PhD report (January 2014) J.Poplewska
07/02/14
This month I sent two applications for Conferences:
1) 17-th International Conference on Textures of Materials (24-29.08.2014 Dresen, Germany);
2) XV International Conference on Electron Microscopy (15-18.09.2014 Cracow, Poland).
I prepared abstracts for these conferences:
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Januar
06/02/14
Worked to improve the orientation and disorientation calculator. While in the case of parameterization Rodriguez Vector representation does not cause many problems , apart from the need to become familiar with the shape of the primary zones for orientation and disorientation , the Euler parameteriza -
January report
05/02/14
Main subject among January experiments was photochemical deposition of silver nanoparticles on titania substrates.This experiment was conducted and directed on investigtion of first stages of the deposition hence nucleation stage. For that matter illumination time was set on 5 min.
Five differe -
January 2014/ P. Bobrowski
04/02/14
This month I continued preparing and improving my PhD thesis. Additionally, I have submitted two abstracts for conferences. The first one is on 31.03-01.04 in London. The abstract:
Automated three-dimensional (3D) orientation microscopy was used for characterization of grain boundary geometry a -
PhD report (January 2014) M.Gajewska
03/02/14
In January, I continued my works on the thesis, namely on a part of literature review concerning production methods of particle reinforced aluminium matrix composites, e.g. mechanical alloying, reactive gas injection, etc..
I also performed some supplementary TEM investigations of in sit -
January K. Stan-Glowinska
03/02/14
This month I pulverized ribbons with two types of compositions. Obtained powders were used to prepare bulk samples by hot pressing. I have started to analyze these samples by XRD and SEM. First results are promising.
During this month I have prepared an abstract for the XV International Confer -
PhD report G. Kulesza (January'14)
02/02/14
This month I spent in writing the dissertation, but also managed to make a few AFM maps. It turns out that what is recommended not always is the best. Better than a standard probe FESPA dedicated to silicon was a harder one and that is what I'm going to continue my research. -
K.Kubok phD report (January 2014)
01/02/14
Dear all, last month was full of surprises - unfortunately not good ones. I have spent almost half of the month on sample preparation (thin foils) using diffrent electrolytes without success. It was for alloys with high amount of Ca. In the end of month I have found a solution - but let me keep this
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PhD HK
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January
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PhD HK
29/01/14
My paper entitled „ Tin–zinc alloy electrodeposition from aqueous citrate baths” is already available at http://dx.doi.org/10.1016/j.surfcoat.2013.12.046
:) -
QLT MTrybula(January)
28/01/14
Thermodynamic description of the liquid metallic solution in the QCA framework. An investigation of relationship between thermodynamic and surface phenomena in liquid binary systems displying negative and positive deviation from Raoult's law. Calculation of fluctuation concentration function a -
Dezember
22/01/14
In December The utilization characteristics to describe the selection of variants of twinning in the magnesium alloy AZ31 . On the basis of orientation maps are currently suitable algorithms that enable the calculation of how much and what share of the twins at the turn of micro-section created by r -
Singapore brain swept - conference ICBME 2013 A.Mzyk
20/01/14
This year I switched from winter freezing in polish cold December reality to egzotic scientific journey to sweaty Singapour. In simple words I participated in the 15th International Conference on Biomedical Engineering (ICBME 2013), where I presented poster entitled “Genipin cross-linked polyelectro -
PhD report G. Kulesza (December'13)
15/01/14
We managed to install in our laboratory interesting device. This device has the ability to test solar cells using photoluminescence and electroluminescence. The first examines the defects in wafers immediately after the texturizing, but with a passivation layer. The second is designed to test cells -
PhD report December 2013 A.Mzyk
13/01/14
I declare to all and sundry that this month I have finished cytotoxicity analysis of the Chi/CS polyelectrolyte coatings. I also performed SEM and TEM analysis of above mentioned films. Of course some of samples were again sent to Laser Center in Leoben because it seems that SiC nanoparticles fabric -
PhD report A. Mzyk (November 2014)
13/01/14
This November was a long month full of cycling through the Leoben in Austria. I spent all my time on practicing tribology measurement methods, samples scratching and PACVD deposition techniques. I have measured mechanical properties of polyelectrolyte coatings based on 24 bilayers of PLL/HA containi -
PhD report (December 2013) J.Poplewska
08/01/14
This month I measured textures for the Al-Zr alloy (for the deformed state and for selected recrystallized states) by X-ray diffractometer. It looks that the recrystallization occurred at room temperature - it will be verified by observations into SEM/EBSD.
I have started to write an intr -
December 2013/ Piotr Bobrowski
08/01/14
This month I was focused on writing the introductory part of my PhD thesis. -
December K. Stan-Glowinska
07/01/14
This month I was working really hard to finish first version of an introduction to my PhD thesis entitled: “Aluminium alloys based on Al-Mn-Fe system strengthened with quasicrystalline particles – microstructure and properties”. -
PhD report (December 2013) MG
07/01/14
I’ve spent last month trying to prepare first chapters of my doctoral dissertation:
- “Literature review of development of particle-reinforced aluminium matrix composites (AlMCs)”
- and “Materials and experimental procedure”. -
K.Kubok phD report (December 2013)
05/01/14
During past month I paid attation more into corrosion experiments - I defined SA/SV - sample area to solution volume ratio. It was done based on literature review as well as data acquired in las months. -
December report Z.Starowicz
03/01/14
In the last last month most of the efforts were focused on photochemical methods and AFM trainigs.
Photodeposited Ag nanoparticles density and sizes were determined by AgNO3 solution concentration and illumination time respectively. Insteristing results were obtained when laser light intensit -
J Kawalko December
03/01/14
This month I was busy preparing the proposal for grant titled: Evolution of complex loading pre-deformed microstructure and texture of CP titanium during mechanical and thermal treatment, investigated by means of Orientation Microscopy techniques. Should my application prove be successful, I will co -
December report (K. Glowinski)
02/01/14
The newest paper is finally available:
http://link.springer.com/article/10.100
Recently I have also started revising my paper on symmetric boundaries.
Besides, there appeared a paper by Bulatov et al. in which
a function for calculation of boundary energy based on geometric param
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PhD HK
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December
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2013
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December
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CFM -MTrybula
29/12/13
The CFM formalism were used for study of the thermodynamics and physicochemical properties in liquid melts. Interaction energy parameters have been numerically calculated and used for desciption of the concentartion-concentration fluctualtion function, the Warren-Cowley short-range order parameter. -
PhD HK
22/12/13
In December I took part in “São Paulo School of Advanced Sciences on Electrochemistry, Energy Conversion and Storage – SPASECS” where I presented the results of my work in the form of poster entitled „“Electrodeposition of Zn-Mo layers from aqueous citrate solutions””. Also I listened to several ve -
PhD report November 2013 A.Mzyk
13/12/13
This month was not so sad and depressive as I expected despite of drowsy weather. Probably it took place thanks to many things which have to be done. I performed cytotoxicity assays of PEM films such like PLL/HA and PLL/ALG. I also prepared Chi/CS samples which were sent to Laser Center in Leoben (A -
November
09/12/13
On the basis of an algorithm written program, creating EBSD maps based on mathematical graph G = (V, E) in the form of letters, in which the set of vertices V = {v1, ..., vn} is identified with a set of grain products, and the set of edges E = {e1, ..., em} is identified with the relation of grain v -
PhD report G. Kulesza (November'13)
07/12/13
As the term is chasing, I had to reliably get to work and write. So that month I focused on writing, leaving for a moment my research. I managed to write a piece of theoretical introduction for cell construction and operation. -
November K. Stan-Glowinska
06/12/13
During November:
- I have been writing an introduction to my work
- I have prepared powders from ternary melt spun ribbons and obtained my first bulk samples by hot pressing
- I did some TEM studies on annealed samples of quaternary Al-Mn-Fe-Mo melts spun ribbons
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November report (K.Glowinski)
06/12/13
I was testing the method for finding
peaks in grain boundary distributions.
It seem that it is quite efficient, but
some control parameters and threshold
must be adjusted. I have been playing with
differen values of those parameters
for various data sets.
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November
06/12/13
In november new equipment for in-situ heating experiments for Quanta have arrived at the Institute. This new heating stage have important new functionality that provides opportunity for EBSD in-situ experiments. I have took the short, two days training that was provided by engineer who was in charge -
K.Kubok phD report (November 2013)
06/12/13
Today we have international Santa Claus day! I wish you all as many presents as you like :)
During past month I conctucted new study on hardening mechanism in MgZnCa alloys - longer times were used to observe precipitation evolution. New thin foils for TEM were prepared. -
November report Z.Starowicz
05/12/13
During November:
- In case of photochemical method I prepared 4 different titanium dioxide substares and determined its influance on Ag nanoparticles formation. Ony for substrate annealed for 2h at 500 Celcsius the particles ware found.
- I was also adsorbing 100nm particles from commeria -
November 2013/ Piotr Bobrowski
05/12/13
This month I was mainly focused on writing the theoretical part of my PhD thesis. Additionally, I wrote another one publication, entitled: “Application of the FIB-SEM technique to investigations of chosen finely grained crystalline materials”. Apart from the creative work, I also made some improveme -
PhD report (November 2013) J.Poplewska
05/12/13
This month I participated in a conference Deformability of Metals and Alloys "OMIS 2013" held in Lancut in 26-29 November 2013 . It was the tenth anniversary conference.
The aim of the conference was :
- Forum for the exchange of information and presentation of the results of ex -
PhD report (November 2013) MG
04/12/13
Lately I’ve performed some new experiments leading to in situ formation of aluminium nitride in Al matrix. In these current attempts I used a tube furnace for my experiments, which allowed me to apply constant flow of inert gas through the reaction chamber. I’ve tried to choose proper conditions (ga
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CFM -MTrybula
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November
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CMD simulations - MTrybula
30/11/13
Using the CMD method, the transport properties, volume and structure of liquid binary alloys have been analysed. Parameters describing the atoms binding, forMEAM potential, have been found and used for further study of liquid and undercooled systems.
Taking an account density of solid systems -
PhD HK
29/11/13
In November I continue the study of the electrodeposition process and the characterization of electrodeposited layers. I lead the process of potentiostatic deposition of Zn-Mo alloy layers, on the steel surfaces, from stable homogeneous Zn(II)-Mo(VI) citrate baths, with different compositions. Next -
PhD report October 2013 A.Mzyk
24/11/13
This month I performed measurements of polyelectrolyte films by ellipsometry in order to assess their thickness. I also prepared series of samples for the analysis of cytotoxicity. Preliminary measurements were performed using AFM nanoindentation mode. Recently obtained results were presented as the -
Oktober
15/11/13
In October verified function , which returns six variants of twinning in the parameterization Rodriguez by calculating the six- point normal to the plane of twinning , for example, 101 or 102 for the input vector Rodriguez. If n is a vector normal to the plane hkl crystallographic system , and g is -
October report (K. Glowinski)
14/11/13
I decided to find a way for finding maxima in the
5-paremter grain boundary distribution function.
From the computational point of view, it is
a very complex (and time-consuming) task.
With reduction of the investigated
domain to the fundamental zone, it can be done quite ef -
October K. Stan-Glowinska
08/11/13
The most interesting things from this month:
-during research stay in Budapest I had opportunity to perform in-situ heating of the melt spun ribbons in TEM
- I have received positive review of my article
- I have carried out microhardness measurements of melt spun ribbons
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October 2013/ Piotr Bobrowski
06/11/13
In the beginning of this month presented a seminar in the Institute of Metallurgy and Materials Science PAS. The seminar was connected with the beginning of the PhD procedure and it was entitled: “Application of three-dimensional orientation microscopy to microstructure characterization”. The superv -
PhD report (October 2013) J.Poplewska
06/11/13
This month, I attended in a seminar called "2nd Joint PhD Seminar" held in Krakow in 17-18 October 2013. That was the second meeting of PhD students from PAS and TU Dresden (Germany) and this year also joined the semminar PhD students of AGH.
I gave a presentation: " Morpho -
PhD report G. Kulesza (October'13)
05/11/13
I examined waviness of silicon wafers using contact profilometer. It turned out that as a result they have cut quite high inhomogeneity in thickness reaching even 8 microns. Above all, I had a presentation with all obtained results and I was able to register for Ph.D. title conferment procedure. -
October
05/11/13
In october i have attended a 4th Stanislaw Gorczyca School on TEM Basics and Advanced Sample Preparation which was organized by the AGH in Krakow. During the school I have listened to a number of lectures regarding various aspects of electron microscopy techniques and applications. Lectures were cov -
PhD report (October 2013) M. Gajewska
05/11/13
On October 17th and 18th we took part in the “2nd Joint PhD seminar”. During the meeting young scientists from the AGH University of Science and Technology, Institute of Metallurgy and Materials Science of the Polish Academy of Sciences, and Institute for Materials Science of Technical University D -
October report
02/11/13
During October :
- I was investigating the spin coated Si wafer by SEM obserwations and optical measurements. Observed improvement of reflection reduction vanishes after washing the sample. Only few silver NPs were found by SEM observations. This work undermines previously obtained results and
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CMD simulations - MTrybula
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October
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K.Kubok phD report (October 2013)
30/10/13
During this month it was possible form me to participate in course about scanning electron microscopy with many practical sessions. I started to use SEM by myself. -
PhD HK
30/10/13
In October I participate in Joint PhD Seminar which took place at AGH University of Science and Technologyy, where I presented the results of my work in the form of speech entitled „Electrodeposition and characterization of Zn-Mo coatings for corrosion protection of steel”.
I also listened to s -
EMF study - MTrybula
25/10/13
The continuation of the EMF study in liquid ternary alloys.
An assessment of the ternary interaction parmeters for thermodynamic description of the liquid state. Modelling the excess and molar function s in concentration function for the investigated ternary metallic system. -
PhD report G. Kulesza (September'13)
14/10/13
In September, I was at a very nice conference EUROMAT in a very nice place Seville. I presented there a poster titled: Short acidic surface texturization of mc-Si wafers for specific crystallographic orientations and its impact on opto-eletrical parameters of solar cells. During its presentation I g -
PhD report September 2013 (A.Mzyk)
13/10/13
This month the zeta potential analysis of HA/Chi multilayer coatings on glass slides with 14 mm x 10 mm size was performed. The pH dependence of zeta potential and the isoelectric point derived there from do not enable a differentiation of the PEM with different terminal layers. Neither does an effe -
September report (K. Glowinski)
11/10/13
In September I was trying to finish an article
on various methods for identification of symmetric
and quasi-symmetric boundaries.
These studies will complete the previous work
on characterization of tilt and twist boundaries.
Since symmetric boundaries are also used as
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September report
11/10/13
In the end of the last month I was on the internship within the Erasmus programe. The internship was conducted in TUBITAK MAM in Gebze in Turkey.Main topic of this period was organic solar cells : the cell formation technology and addition of matal nanoparticles to the hole transporting layer from -
Conference report (SIM 2013) J.Poplewska
08/10/13
I participated in 'The 41th School of Materials Science and Engineering' in 24-27.09.2013 in Krynica (Poland). The conference was organized by AGH University of Science and Technology. The scope of the conference covered fields of materials science such as: iron-based alloys, non-ferrous -
September
08/10/13
With regard to process the data from the various improvements made ​​EBSD . First cut off background for calculating pole figures , which was not as significant to the quality of these figures , but significantly accelerated the calculation. Cut-off backgrounds , however, it is a -
PhD report (September 2013) J.Poplewska
07/10/13
In september I carried out in LaboTex software the analysis of global textures measured by X-ray diffractometer.
I was also working on preparing 2 presentations and I gave a speech:
- first for the Seminar in PAS presenting the progress of PhD research (20.09.2013) titled:
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September
07/10/13
In beginning of september I was busy preparing for internal evaluation of progress in PhD research, so i had a good chance to review my recent investigations. Additionally I have prepared and submitted an abstract for upcoming Joint PhD seminar. Abstract was prepared for poster presentation that wou -
K.Kubok phD report (September 2013)
05/10/13
During September I had an opportunity to lear much more about my main technique - transmission electron microscopy. I have spent several days conducting observations by myself. Therefore it was possible to compare practice with theory. -
September K. Stan-Glowinska
04/10/13
During this month:
I have participated in the 12th International Conference on Quasicrystals.
I have finally started to write an introduction to my PhD thesis.
During breaks in writing I did some SEM studies of melt spun ribbons.
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K.Kubok phD report (August 2013)
04/10/13
During this month I prepared new corrosion experiments - pure mg sample as a reference sample was used. Morover I participated in LMT 2013 conference in Great Britain where I had a pleasure to gave the talk about precipitation hardening in MgZnCa alloys. -
September 2013/ Piotr Bobrowski
03/10/13
During this month I participated in two scientific conferences. The first of them “IX Konferencja Polskiego Towarzystwa Ceramicznego” was held in Zakopane. I showed there a presentation entitled: „Zastosowanie techniki 3D-EBSD do analizy mikrostruktury porów i granic międzyziarnowych w tlen -
SIM 2013 school's story A.Mzyk :)
01/10/13
Probably not accidentally in September I appeared on the SIM 2013 in Krynica, which is annual meeting of PhD students and Young Scientists. Meeting was aimed at bringing young researchers from different material science fields together to discuss the latest advancement and development of novel mater
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K.Kubok phD report (October 2013)
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September
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CP2K - MTrybula
30/09/13
An examination of energy cuttoff influence on structure in liquid binary metallic systems using CP2K and CASTEP package. -
PhD HK
27/09/13
In September I was on coference EUROMAT 2013 in Seville , Spain, where I presented the results of my work in the form of poster entitled „Electrodeposition and characterization of zinc-molybdenum coatings for corrosion protection of steel”. Also I listened to several very interesting presentations c -
ESAO 2013 conference report A.Mzyk
27/09/13
In September I participated in a great scientific event. It was the ESAO 2013 conference in Glasgow –Scotland. I had an opportunity to present results of my recent work in form of speech entitled “Alginate and poly-L-lysine modified capsules as human cardiac stem cells delivery system for myocardial -
August report (K. Glowinski)
12/09/13
In August, I was mainly writing a paper on boundaries
of special (i.e., tilt, twist, symmetric, and 180-tilt)
in hexagonal materials.
I tried to demonstrate the usefulness of theoretically
obtained diagrams for interpretation of
experimentally obtained grain boundary distri -
August
09/09/13
Microstructure of grade 2 titanium after KoBo deformation have been investigated. Orientation map have been collected by SEM/EBSD technique from longitudinal cross section of sample. The microstructure differs substantially from one observed in transverse cross section, due to highly anisotropic con -
PhD report (August 2013) J.Poplewska
09/09/13
In August I did:
- microhardness measurement for selected samples of AA3004,
- preparing samples for annealing of Al-Zr,
- continued analysis of global textures measured by X-ray diffractometer,
- preparing a presentation for a meeting summarizing the academic year 2012/2013,
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PhD report G. Kulesza (August'13)
08/09/13
Again I tried etched the porous silicon layer and again nothing. So I took the simulations to see how it should be in case of reflectance for textured surface and textured with porous layer. Surprisingly, the real sample reflect less light than the simulated one. Moreover, the porous layer in the si -
August - report
06/09/13
I prepared samples with silver nanoparticles obtained by metal island film (MIF) method.
Samples annealed at the 400 Celsius degrees revealed reduction of reflection of Si wafer and change in position of reflection minima due to the change in plasmon resonance for different samples. Highest ref -
August K. Stan
05/09/13
During August I have tried to finish my next article entitled: "Effect of Ti, Zr and Hf addition on microstructure and properties of rapidly solidified Al-Mn-Fe alloy”. I also prepared poster: “Quasicrystalline phase in Al-Mn-Fe-X melt spun ribbons – structure and stability” for the next confe
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CP2K - MTrybula
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August
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PhD report (July 2013) K.Kubok
30/08/13
In July I have started corrosion experiments in HBSS salts solution in 37 st. C. First results of Mg-3Zn, Mg-3Ca, Mg-3Zn-2Ca and Mg-3Zn-3Ca wt. % are very promissing. Mass percentage loss varies among the samples as predicted. -
PhD report August2013PC
29/08/13
In August I polished and polished ...it takes forever, occasionally, to produce a suitable sample for EBSD studies. Nevertheless the game is worth the effort since we manged to grow (directional solidification) a specimen comosed only of three or less grains! -
August 2013/ Piotr Bobrowski
28/08/13
This month I was focused on writing another one article. It is entitled: “Zastosowanie techniki FIB-SEM do badań wybranych materiałów drobnokrystalicznych” and is supposed to be printed in the proceedings of the “XLI Szkoła Inżynierii Materiałowej” confer -
optical measurements of annealed particles
18/08/13
Preliminary results of optical measurements of annealed samples with silver nano islands have showed the red shift of LSPR wavelength with incerse of silver layer thickness. Each sample displays diffusion part of either transmission and reflectance. Annealed silver samples on glass display much bigg -
MTrybula (aerodyanmic levitation method and their application)
16/08/13
Introduction to areodynamic levitation techniques and their application to liquid binary metallic systems was studies. Levitation melting of the materials of light metals at high-temperature have was performed. It is planned to used of this method to investigate of structural and dynamic properties -
PhD report (July 2013) J.Poplewska
15/08/13
I have been working on the preparation an article titled: 'Microstructure and texture evolution during annealing of AA1050 aluminium alloy pre-deformed in ECAP' for the Conference 'School of Materials Science and Engineering' to be held in Krynica (Poland) in September.
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PhD HK
14/08/13
August is very hot this year in Kraków and I’m spending it on the preparation of Zn-Mo alloy samples for the corrosion tests. I need dozens of samples for corrosion test, so my work in August is very important but also tedious and monotonous. -
July 2013/ Piotr Bobrowski
14/08/13
This month I was focused on finishing writing of a publication. It is entitled “Investigation of grain boundaries geometry and pores morphology in dense and porous cubic zirconia”. Below I attach an abstract:
Three-dimensional orientation microscopy was used for visualization of grain boundarie -
PhD report (July 2013) MG
14/08/13
As Summer stepped in, a pace of my work slackened significantly. I managed to perform some TEM investigations of a thin foil of in situ Al/AlN composite, which I have recently cut out using FIB technique, and, in search of a remedy for very poor distribution of AlN reinforcement in aluminium matri -
PhD report G. Kulesza (July'13)
14/08/13
The failure of the previous month did not discourage me too much. Reagents cooling in the fridge was failed so I put them into a freezer. All reagents, except water, have a melting point of about -30 degrees C. The result - great! The mixture had cooled to a temperature slightly below zero. Texturiz -
July
14/08/13
Tthe data of EBSD maps of pipe AZ31 magnesium alloy was processed. The purpose of the data analysis was to find evidence to secondary slip systems other special type of locally rebuild lattice inside of grains, called twinning. It was also shown by the way, that used in our laboratory formula of cal -
Problemy z logowaniem
14/08/13
Prosze i maile z informacjami kiedy blog nie dzialal. Prosze podac date godzine oraz usera.
Admin -
PhD report (July 2013) A.Mzyk
13/08/13
I spent summer time on developing two parallel paths of my research. I’ve continued studies concerning characteristics of multilayer polyelectrolyte films treated with various concentration of a genipin cross-linking agent. Moreover, I’ve also been working on thermal stability issues. Why? The answe -
Silver nanoislands
08/08/13
I would like to look closer the influence of film thickness and annealing temperature on the obtained microstructure (particles geometry) and optical properties.
For that purpose I prepared poliched silicon wafers and microscope base glass. Those substrates were cut and cleaned with isopr -
PhD JK (July 2013)
08/08/13
Recently some of thin foils from KoBo extruded samples (comercial purity titanium and high purity zinc) have finally been examined in TEM and some crystal orientation microscopy have been performed on them. What was interesting is that although on SEM with EBSD, measured grain sizes are generally in -
PhD report (July 2013) K. Stan
07/08/13
Main studies carried out during this month:
- TEM investigations on the samples with Ti, Zr and Hf addition after annealing
- participation in the conference The 20th International Symposium on Metastable, Amorphous and Nanostructured Materials (ISMANAM 2013). During poster se
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PhD report (July 2013) K.Kubok
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July
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PhD HK
31/07/13
In July I’ve worked on my next publication, entitled :” Tin-zinc alloy electrodeposition from citrate baths”. In this paper I described in details the results obtained during the firsth and the second year of my studies, when I was studying ternary system Sn(II)-Zn(II)-Mo(VI). Currently I resigne -
core shell nanoparticles
30/07/13
This experiment was based on colloidal coere-shell particles with empty core and small ( 8-9nm) silver particles adsorbed on particle surface. After deposition of particles using LbL method sample was illuminated by Xenon lamp radiation for 30 min with irradiation power density of 50 mW/cm^2. Small -
MTrybula (EMF study)
21/07/13
EMF measuremnt for third constant ratio of Al/Zn of molar fraction, when amount of lithium was changed from 0.1 to 0.9. Calculation of the partial excess thermodynamic properties from EMF measurement and using CAPLHAD method.
Investigation magnetic field induced strain effect (MFIS) in single c -
PhD report (June 2013) A.Mzyk
13/07/13
June was month of samples preparation for the calorimetric analysis to determine thermal stability of coatings in the temperature range from-50oC to +50oC. Similar heat treated specimens were analyzed on scanning electron microscope to assess if any changes in surface morphology took place. This mon -
PhD report (June 2013) MG
09/07/13
Last month I took part in two international conferences:
- XX Physical Metallurgy and Materials Science Conference: Advanced Materials and Technologies – AMT 2013 in Kudowa-Zdrój, where I was given an opportunity to give a speech during Young scientists session, which was entitled: “Chara -
PhD report (June 2013) K.Kubok
08/07/13
My activities in June:
During this month I have prepared publication entitled: Structural investigation of Mg-3Ca, Mg-3Zn-1Ca and Mg-3Zn-3Ca wt.% as cast alloys.
Here you have an abstract:
Magnesium alloys from Mg-Zn-Ca system are interesting, because of possible ap -
PhD report (June 2013) J.Poplewska
06/07/13
Based on the results of the research of local orientations measured by EBSD/SEM for AA1050 and AA3004 aluminum alloys (made in the system y-x: for cross-section ND-TD or TD-ND) I made studies of transformation of these data into rolling system TD-RD and I created a tool to verify correctness of thes -
PhD report G. Kulesza (June'13)
05/07/13
I decided to deal with the heat of my solutions. Cooling them were not so easy. I found that the labortory refrigerator had cooled my reagents to 17 degrees C (at room temperature over 25). The effect was pour - a little smaller pits on the surface. I'm looking for a better way of effective mix -
PhD report July2013PC
05/07/13
In July let me think...Oh I forgot to mention in my previous entries that I attended the AMT Phys Metall conference in Kudowa Zdrój, where I gave a talk on the evolution of microstructure and its impact on phase transtions in Heusler Ni-Mn based alloys.
It was well received ang gave me encourag -
PhD JK
04/07/13
In June I attended international conference "XX Physical Metallurgy and Materials Science Conference Advanced Materials and Technologies AMT 2013" organised by Institute of Materials Science of Czestochowa University of Technology in Kudowa Zdrój.
During the conference I have presente -
June
04/07/13
Samples were examined by electron microscopy SEM, recording the success of EBSD map of the sample surface. The map was exported to a text file and loaded into the program Mathematica. Unfortunately, the map was created in a hexagonal grid (arrangement of pixels) and not orthogonal, hence the need to -
June 2013/ Piotr Bobrowski
03/07/13
This month I was focused on learning to my exams. There were two main courses which I attended: Novel technologies in surface engineering” and “Renewable energy technologies”. Additionally, I attended a course concerning commercialization of scientific research. Most of the lectures were carried in
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PhD HK
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June
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PhD report (June 2013) K. Stan
28/06/13
Main studies carried out during this month:
- participation in the conference AMT (Advanced Materials and Technologies) 2013 - XX Physical Metallurgy and Materials Science Conference between 9 and 12 of June in Kudowa-Zdrój. During session for young scientists I gave a talk: „Microstructure an -
PhD HK
26/06/13
In June I was on the coference „Advanced Materials and Technologies AMT 2013” In Kudowa Zdrój. During the conference I presented the part of results of my research (obtained at the firsth and the second year of my studies), in the form of oral presentation entitled a speech entitled „ Electroche -
MTrybula (thermodynamic modelling)
20/06/13
EMF study of liquid ternary alloys combined with thermodynamic modelling using CALPHAD approach. The partial excess thermodynamic functions for two sets of constatnt ratio of molar fraction was computed in terms of symmetric model, i.e Muggianu, Kohler and Colinet.
Participation at the XLII In -
Workshop in Metz
17/06/13
From 12th to 14th of June, I attended a workshop dedicated to
analysis of 3D microstructure data obtained mainly from
FIB/SEM dual-beam machines. Most of the time was filled by
a DREAM.3D program tutorial - the tool I've been extensively using
for grain boundary reconstruct -
PhD report (May 2013) A.Mzyk
13/06/13
This month I moved one step ahead in my research and elaborated the results of studies concerning HUVECs growth on genipin cross-linked polyelectrolyte coatings. I attempted to improve the cellular adhesion properties of films through chemical cross-linking with a genipin. Hyaluronan (HA), poly-L-ly -
Glowinski - May report
11/06/13
In May I focused my activity on writing a paper on a new method
for calculating grain boundary distributions. The new method
uses a concept of metric functions defined in the boundary parameter space.
The first tests showed that our approach
reveals more details comparing with th -
PhD report (May 2013) J.Poplewska
10/06/13
In this month I made ​​the transition of data obtained in EBSD/SEM for the cross-section ND-TD and TD-ND into rolling ED-TD.
The analysis of texture data for the calculated percentage shares texture components defined as:
- C = (11-1) [112] - component 'Copper -
PhD report June2013PC
09/06/13
I went to Mallorca within the ERASMUS exchange scheme where at the University of Balearic Islands I conducted DSC studies of some preselected samples.
I obtained promissing results, which hopefullly will help to compile a new paper studying the effect of atomic order enhancement on martensitic -
May 2013/ Piotr Bobrowski
07/06/13
This month I took part in the EMAS2013 conference and a course “An Introduction to EPMA: An EMAS Short Course”. They were both held in Porto. During the conference I presented a poster. The course was very useful. It helped me to understand the WDS system which we have installed in the microscope th -
PhD report (May 2013) K. Stan
07/06/13
Main studies carried out during this month:
- characterization of new melt spun ribbons: microstructure studies using SEM, phase composition analysis using XRD, DSC, preliminary investigation of thin foils using TEM
- participation in QEM 2013, Saint Aygulf, France
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PhD report G. Kulesza (May'13)
06/06/13
I ran some simulations in the FDTD Solutions. The program was used to test the reflectivity from the silicon surface due to the different surface structures constructed in this program. Also I examined the pits distribition after acidic texturization. Distribution curve which maximum is shifted towa -
May
06/06/13
Modified matching program schedule features the experimental X-ray peaks. It was found that different types of distributions, by their different nature, can result in a variable position of the peak, which is a key parameter for us. Therefore, the decision was made to one type of decomposition - Pea -
PhD report (May 2013)
05/06/13
In May I have returned to AA7475/AlN nano-composites produced via powder metallurgy route and tried to develop a proper heat treatment for these materials. I started with a conventional heat treatment, characteristic for the matrix alloy, which is the T6 heat treatment (solution heat treatment + art -
Progerss in research
03/06/13
Lately I have been on scientific internship in Institute of Catalysis and Surface Chemistry. During the internship I refined the annealing process of thin silver flms. I found apropriate resistance tube furnace.
I performed photochemical deposition on large area using Xenon lamp. I obtai -
PhD Progress JK
03/06/13
In May I went to Porto to take part in EMAS 2013 13th EUROPEAN WORKSHOP on MODERN DEVELOPMENTS AND APPLICATIONS IN MICROBEAM ANALYSIS. This year EMAS workshops was organized with cooperation of LNEG - Laboratório Nacional de Energia e Geologia and SPMICROS - Sociedade Portuguesa de Microscopia. Duri -
PhD report (May 2013) K.Kubok
02/06/13
My activities in May:
In May I had a pleasure to take the QEM 2013 curse. The workshop was held during two weeks, from Monday 13th to Friday 24th of May 2013.Place was extraordinary - Saint-Aygulf, on the French riviera. This school was devoted to advanced electron microscopy users. The l
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PhD report (June 2013) K. Stan
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May
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simulation
28/05/13
During last month I got another trial version of Lumerical FDTD Solution software.
Main objective was to investigate scattering and absorption cross sections of silver nanoparticles as well as near field distribution. 2 D simulations gave right results for small particles. But for bigger parti -
MTrybula (viscosity)
23/05/13
Viscosity study of the binary metallic systems have been performed. Three different approaches were used for modelling of the dynamic properties.
The first one was non-equlibrium MD (NEMD) simulation method, the second a reverse non-equilibrium MD simulation method and the third method is base -
PhD report (April 2013) J.Poplewska
10/05/13
I participatied in the Symposium 'Materials Science for industry' held in 11-13.04.2013 in Krynica-Zdroj. As other PhD students, I gave presentation with the title 'Influence of zirconium and scandium on microstructural and textural changes of severely deformed aluminum alloys'.< -
PhD report G. Kulesza (April'13)
09/05/13
This month examination of carrier lifetime was performed. In addition I have changed the type of base material (monocrystalline silicon) and the way of surface passivation. For these measurements chemical passivation of silicon in 0.07M QM was used. Such treatment passivates the surface after 20 mi -
April
09/05/13
We read the value of the orientation distribution function for the three Euler angles is done by finding the nearest corner of the 5x5x5 cube, which is divided into space Euler read with the value (the generated text file). In order to convince themselves of the validity of a decision Eulerization w -
PhD report (April 2013) K. Stan
09/05/13
Main studies carried out during this month:
- new alloys compositions were cast into steel mould (with higher content of aluminium)
- microstructure of new alloys was examined firstly using SEM. All ingots revealed similar microstructure containing phases like Al6(Mn, Fe), Al3(Mn, Fe -
April, K.Glowinski
08/05/13
In April I had an opportunity to participate in a meeting
of materials scientists with the people of industry.
I gave a talk on methods of geometric characterization of
grain boundaries and their possible applications.
My abstract concerning
geometrically characteristic grai -
PhD HK
07/05/13
My paper entitled „Characterisation of Zn–Mo alloy layers electrodeposited from aqueous citrate solution” is already available at http://dx.doi.org/10.1016/j.jallcom.2013.04.205 -
PhD report (April 2013)
07/05/13
Last month we took part in a symposium entitled “Materials Science for Industry” (Krynica-Zdrój). The main goal of the symposium was presentation of the results of our investigations to the invited industry representatives from different polish companies connected with materials science.
During -
PhD JK
06/05/13
In April I have participated in event called "Materials science for industry" that was prepared and organised by Institute of Metallurgy and Materials Science in Krynica. The seminar took place between 11 and 13 of April, but preparations were taking place also long before as I was prepari -
April 2013/ Piotr Bobrowski
06/05/13
In the middle of this month I took part in a seminar entitled: “Inżynieria Materiałowa dla przemysłu” which was held in Krynica. I gave a speech entitled “Zastosowanie techniki 3D-EBSD do badań mikrostruktury ceramiki cyrkonowej”. The meeting was a good opportunit -
PhD report (April 2013) K.Kubok
03/05/13
Dear readers!
During this month I prepared the speech and small publication for special meeting beetwen science and industry - Material Science in the Industry. It was really nice to meet people for the outside world and compare industral and science approach to the same problems. -
PhD report (April 2013) A.Mzyk
03/05/13
In April my attention has been focused on analysis of endothelial cell adhesion results for the genipin cross-linked coatings. Moreover, I prepared similar samples for HUVECs viability and functionality determination during long-term cell culture. I also performed the ATR-FTIR measurements of PLL/HA -
PhD report May2013PC
02/05/13
We finally managed to sent out the paper. How anxious one becomes awaiting the response from the editor is only known to those who have sent out out their first paper and awaited the reply impatiently.
Work continues...
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simulation
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April
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MTrybula (MD simulation)
30/04/13
Performance of the MD simulation for liquid binary alloys. An examination of the physical, structural and dynamic properties of these metallic systems using classical approach. -
PhD HK
29/04/13
I’ve submit my recent publication to Journal of Alloy and Compounds on 3 April …and it’s already accepted to be published! :) I’ll inform you when it will be available on-line. -
PhD report G. Kulesza (March'13)
14/04/13
As I supposed the carrier lifetime studies did not fare well. Any slightest modification affects the results. The results do not coincide in the series. Any defects present in the wafers or other grains distribution significantly change the lifetime. Also each mixture etch the silicon wafer in the d -
PhD report (March 2013) A.Mzyk
12/04/13
This month was full of writing work. I prepared two abstracts for the conferences. The first one was etitled “Alginate and poly-L-lysine modified capsules as human cardiac stem cells delivery system for myocardial regeneration” and was submitted on European Society for Artificial Organs conference. -
PhD report (March 2013) K.Kubok
10/04/13
My activities in March:
During this month I have read book entitled "Corrosion resistance of aluminium and magnesium alloys written by E. Ghali. Based on the literature review I have choosen the enviroment for the corrosion measurements - HBSS (Hank's Balanced Salt Solution) and -
Things done in March, Glowinski
09/04/13
In March I've been preparing a lot of stuff for
a paper on characterization of mixed boundaries.
This includes some calculations, graphs and other pictures.
Somewhat by an accident I've found a method
to speed up my calculations. In the computations, each
small tri -
PhD report (March 2013)
08/04/13
In March I’ve made a next attempt of in situ production of aluminium/aluminium nitride composites – this time with use of magnetic semi-levitation furnace. AlN reinforment was successfully produced in Al matrix this time as well, but there was no improvement in distribution of ceramic particles (sti -
PhD report (March 2013) J.Poplewska
08/04/13
This month I was preparing to the exam of 'Selected problems of microstructure and texture transformations in deformed metals',
and also preparing the presentation in Power Point tilted:'Influence of zirconium and scandium on microstructural and textural changes of severely defo -
PhD report April2013
07/04/13
April, April showers. The spring is in the water, the spring is in the air. What will April bring. The manuscript of the first paper is almost ready for dispatch.
New alloys are cast and will be homogenized in order to ensure a uniform distribution of elements.
The work in progress! -
March - progress in research
05/04/13
Lately I obtained silver thin films deposited by magetron sputtering on silicon vafers.
It was found that nanoislands formation is highly sensitive to annealing conditions.
Attempt of examination of importance of layer thickness revealed that inappropriate annealing leads to fingerlike ir -
PhD report (March 2013) K. Stan
05/04/13
Main studies carried out during the month:
- using new equipment – vibration micromill, melt spun ribbons of ternary alloy Al-Mn-Fe were pulverized into powder. Two trials were performed on alumina and tungsten carbide balls and containers
- melt spun ribbons with hafnium additi -
PhD progress JK
03/04/13
This month I have carried out some SEM observations on titanium surface treated by electroerosion machining. Method of electroerosion allows for very precise shaping of material by its removal in a very controlled manner. During the process material submerged in dielectric liquid and high voltage is -
March 2013/ Piotr Bobrowski
02/04/13
During this month I faced some technical problems with the microscope. The sample stage was not working as it was supposed to. Especially, rotation of a sample was often impossible due to encoder errors. This made running of 3D measurements impossible. Meanwhile, I read some literature concerning in -
March
01/04/13
In the meantime, texture measurements were made on the extruded pipe section and further pilger rolled and extruded alloy AZ31 in three spots. Measured reflections 002, 101 and 100 and the orientation distribution functions were calculated for the three points. Since the program LaboTex automaticall
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MTrybula (MD simulation)
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March
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PhD HK
30/03/13
In March I’ve worked on my next publication. It is titled “Characterisation of Zn–Mo alloy layers electrodeposited from aqueous citrate solution”
In this paper I wrote among others that: The conditions for molybdenum with zinc electrodeposition from citrate electrolytes were studied. Partial po -
MTrybula (MD simulation)
19/03/13
MD simulation for binary liquid alloys. Structural, dynamic and physical properties investigations using CMD and AIMD method. Modelling of parameters for many body interactions using MEAM approach. -
PhD report (February 2013) J.Poplewska
12/03/13
In that month studies were performed for the aluminum alloy containing zirconium (Al-Zr) with the transmission electron microscope (STEM, HR, analysis phase). Specimens as pre-prepared thin films have been cut from a piece of alloy Al-Zr. The aim was to examine the correctness the heat treatment and -
PhD report (February 2013) A.Mzyk
11/03/13
This month I prepared the paper for the conference "Advanced Materials and Technologies AMT 2013”. The concept of my dissertation and possibility to use the results of research in the medical industry were described in the extended abstract, which will be presented on the Symposium “Materials S -
February report by K. Glowinski
11/03/13
In the last month I've written an abstract for the ISMANAM'2013 conference
that will be held in June in Torino, Italy. The corresponding poster and
paper will concern methods for identification of symmetric and
quasi-symmetric boundaries. We started to look for more efficien -
PhD progress JK
08/03/13
In February I continued my efforts to shape titanium's microstructure by means of plastic deformation procedure. The plan was to deform both grade 2 and grade 4 titanium in order to obtain some more sample material and with sufficient reproducibility. Unfortunately however, deformation process -
February 2013/ Piotr Bobrowski
07/03/13
During February I was focused on processing of the experimental data obtained from cubic ZrO2 samples. I did some 3D reconstructions which were used for visualization of grain boundaries network and pores morphology. Additionally, I calculated grain numbers, their sizes and level of porosity. Furthe -
PhD report G. Kulesza (February'13)
07/03/13
The minority carrier lifetime that is something that is not easy to characterize. It appeared that everything has an effect on this highly important parameter, e.g. size, orientation and distribution of grains, defects and microcracks of base material, also thickness, type of surface cover. However, -
PhD report (February 2013) K. Stan
07/03/13
Main studies carried out during the month:
- preparation of an article for the AMT conference: „Microstructure and properties of AlMnFeCu and AlMnFeSi melt spun ribbons strengthened with quasicrystalline particles”
- preparation of an abstract: „Effect of Ti, Zr and Hf addition on m -
PhD report March2013PC
05/03/13
In march I busied myslef with preparing an article for the upcoming AMT conference. I chose to discuss the relation between microstructure evolution and its influence on martenstic transformation temperature. DSC, XRD, SEM and TEM results are shown and discussed in detail in terms of grain growth an -
MIF trial
04/03/13
Fisrt trail of silver thin film anealing. The MIF technique(metal island film) was used for nanoparticles formation. Unfortunately nanoparticles posess very different irregular shapes amd the microstructure surperss obtainig controlable plasmonic properties. -
PhD report (February 2013) K.Kubok
02/03/13
My activities in February:
During this month I performed extensive literature overview on hardening behaviour of Mg-Zn-Ca alloys.
A bit of history:
The first systematic attempt to characterize hardening behaviour in Mg-Ca-Zn alloys was performed by Nie and Muddle[199 -
PhD report (February 2013) MG
02/03/13
In the month of February I focused on some writing assignments. Firstly, I have prepared a paper for the occasion of Advanced Materials and Technologies conference, entitled: „ Characterization of reaction products of liquid Al and Mg3N2”. Secondly, I have written an abstract for a symposium: „Mate -
February
01/03/13
In order to determine the type and size of the residual stress in the initial and deformed state we applied X-ray diffraction. Stress and texture measurement were done on the lateral surface of the pipe, but due to geometrical conditions, the most reliable result of the stress values were obtained f
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PhD HK
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February
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PhD HK
28/02/13
In February I’ve started the XRD analysis of chosen Zn-Mo Alloy layers.
XRD analysis does not show the presence of molybdenum oxides, neither metallic molybdenum nor other molybdenum compounds (ZnMo7 and ZnMo22). It was found that only the hexagonal system of the Zn phase is present in the depo -
MTrybula_raport
28/02/13
MEAM potential modelling for Al-Li alloys. Physical, dynamical et structural properties simulation in view of a new formulated MEAM potential. Imposing ternary interaction on MEAM potential and DFT study for binary alloys. -
PhD report G. Kulesza (January'13)
18/02/13
In my research I found a gleam of hope. It is possible to use EBSD technique to determine the crystallographic orientation of individual grains in the polycrystalline silicon wafer despite the fact that surface is not smooth. This means that I will be able to examine what is the actual effect of aci -
PhD report (January 2013) A.Mzyk
13/02/13
This month I continued research on diffusion process in the polyelectrolyte multilayer films using CLSM imaging techniques. The experiment was performed at a temperature range of+25oC to +50oC. I also prepared a few variants of cross-linked and non-cross-linked samples for ATR-FTIR analysis which sh -
PhD report (January 2013) K.Kubok
09/02/13
My activities in January:
I wrote the article entitled: "Age hardening of Mg-3Zn-xCa (x = 0, 0.5, 1.0 ) wt.% alloys” which was sent to Materials Science Forum.The article was prepared fot the 6th International Light Metal Technology Conference organised by Specialist Research Institu -
PhD progress JK
07/02/13
In January I have participated in SEM training course that have been organized in our Institute for interested young scientists and PhD students. During the training we used Institute Philips Electron Optics XL30 Scanning Electron Microscope equipped with LINK ISIS Energy Dispersive Spectrometer fro -
PhD report (January 2013) K. Stan
07/02/13
Main studies carried out during the month:
- investigation of melt spun ribbons with hafnium addition (including microhardness measurements and microstructure analysis using SEM and TEM)
- investigation of melt spun ribbons with tungsten addition (TEM)
- preparation of an ar -
PhD report (January 2013) J.Poplewska
06/02/13
This month I was preparing to the exam of French and I made some literature review (continued study). -
PhD report (January 2013) M. Gajewska
05/02/13
Last month I’ve made a second attempt towards in situ formation of AlN reinforcement in aluminium matrix. The experiment involved melting of aluminium in Balzers type induction furnace, and then, after removal of surface oxide layer, introduction of nitrogen-bearing substrate (in form of a green com -
January 2013/ Piotr Bobrowski
04/02/13
This month I changed the way I use FIB. Instead of running 3D-EBSD measurements I was focused on learning how to prepare a sample for TEM. This knowledge may be useful in the future because it may be necessary in T-EBSD measurements. They are based on detection of diffracted electrons that were tran -
PhD report Feb2013PC
03/02/13
We carried out work on editing and polishing of the manuscript. It has finally been sent out to other co-authors for final check and comments. Along side this task we cast new alloys with different compositions, which included mastering the art of arc melting. -
January report
03/02/13
During last months I was studing carefully the literature and lectures accessible in the net.
Also I spent a lot of time for prepring for exams -
January
02/02/13
We considered possible slip and twinning systems for any desired orientation of the crystal. Depending on the adopted strain tensor, which can describe simple compression or rolling, different values are obtained for the selected orientation of the stresses described by Euler angles. Through the rot
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PhD HK
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January
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PhD report_MTrybula (january)
30/01/13
EMF study in liquid Al-Li-Zn alloys, in effect calculation of the partial excess thermodynamic properties for lithium content changed from 0.1 to 0.9. It will to be planned a restriction of these examination to liquid alloys at Al/Zn rich side. Continuation experimental study and simultaneously refo -
PhD HK
25/01/13
My publication in Electrochimica Acta, titled „Investigation of electrochemical co-deposition of zinc and molybdenum from citrate solutions” is already available online at http://dx.doi.org/10.1016/j.electacta.2012.12.140,
:)
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Photochemical deposition - preliminary results
24/01/13
This method is based on photocatalytic properties of titanium dioxide. The UV photon creats electron hole pair. This electron can reduce the silver cation which then deposits on titanium dioxide substrate. At first this method was used for creation of homogenius silver layer with well controlled thi -
PhD report G. Kulesza (December'12)
15/01/13
On 3-4 December 2012, I participated in a meeting Join PhD Seminar, which was attended by PhD students from the Institute of Metallurgy and Materials Science and Enano group belonging to Institute of Materials Science of Technical University of Dresden. The whole meeting was held in Radeburg. It was -
Report, December, Glowinski
13/01/13
Eureka! Finally I did solve the problems (mentioned last time) related to coordinate systems. I am now able to get proper sets of parameters of grain boundaries and, using my program, obtain correct distributions of boundaries. I moved on to work on improvments of the methods of calculating the dist -
PhD report (December 2012) K.Kubok
13/01/13
My activities in December:
In December I participated in „Joint PhD Semiar – Enano group from Institute for Materials Science of Technical University Dresden and Institute of Metallurgy and Materials Science of the Polish Academy of Sciences”, which was held in Radeburg: 3-4 December 201 -
PhD report (December 2012) A.Mzyk
11/01/13
December was dedicated to diffusion process observation in the PEM coatings using Fluorescence Recovery After Photobleaching technique. I prepared two series of samples for SEM analysis. The first series of specimens was cross-linked by four different concentrations of the chemical reagent and the s -
PhD report (December 2012)
07/01/13
In December we took part in the Joint PhD Seminar (Radeburg, Germany) and Nano-scale materials and advanced characterization techniques – European advanced training course (Dresden, Germany).
During the former we had an opportunity to exchange our scientific experience and consult results of ou -
PhD report (December 2012) J.Poplewska
07/01/13
This month was short due to Christmas break. I was preparing to the exam of French language. -
PhD report January 2013PC
06/01/13
I have been working on a paper to be sent to a scientific journal. The paper concerns the structural properties of Ni-Mn-Sn based ribbons. Some TEM, SEM, XRD and DSC results are shown. Some initial magnetization versus temperature curves are also presented. -
December 2012/ Piotr Bobrowski
04/01/13
In the beginning of this month I took part in a “Joint PhD Seminar” meeting and “Nano-scale Materials and Advanced Characterization Techniques” course. They were both held in Germany near Dresden. During the seminar I presented results of measurements carried out so far. The title of my presentation -
PhD December and österreichischer kaesebrot
04/01/13
In december (2-7.12) I have participated in two related events that were held in Radeburg and Dresden, Germany. First one was so called "Joint PhD seminar", which was kind of informal meeting, between PhD students form our Institute and from ENano young research group from Institute for Ma -
PhD report (December 2012) K. Stan
04/01/13
Similar to my colleagues between 3rd and 4th of December I participated in Joint PhD Seminar organized by ENano young researcher group from Institute for Materials Science of the TU Dresden and Institute of Metallurgy and Materials Science of the Polish Academy of Sciences. The meeting took place i
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PhD report_MTrybula (january)
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December
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2012
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December
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December
31/12/12
On 3-4 December 2012, participated in the seminar - Join PhD Seminar - held in Radeburg, Germany.
The organizers of the seminar were: Enano group of the Institute of Materials Science and Engineering at the Technical University of Dresden and the Institute of Metallurgy and Materials Science in -
computer simulation III part
31/12/12
Participation in Joint PhD Semianr organized by Fraunhofer Institute in Radenburg/Dresden/Germany on 3-4/12/12. Presentation both theoretical and experimental results. Talk about free atom theory, Bathia -Hargrove and molecular dynamics studies for Al-Zn alloy and experimental activity results for A -
PhD report HK
30/12/12
In December I participated in the conference " Joint PhD seminar, Nano-scale Materials and Advanced Characterisation Techniques" organized by Dresden University of Technology.
During the seminar I presented a speech entitled „Electrodeposition of Zn-Mo and Zn-Sn-Mo layers for corrosi -
PhD report (November 2012) J.Poplewska
14/12/12
I have collected results obtained for a series of aluminum alloy AA3004. Based on the analisys of EBSD/SEM maps I could draw the following conclusions:
- microstructure of AA3004 alloy subjected to severe plastic deformation (ECAP A6x) and then annealed for 1 hour retain homogeneity up to abou -
PhD report (November 2012) A.Mzyk
13/12/12
In November I spent most of time analyzing results obtained from microbial experiments and AFM measurements. Of course, I was also working in the lab, where I had stained samples after Impact R test and subsequently visualized surfaces by CLSM.I prepared a new series of specimens for HUVEC’s growth -
PhD report A.Mzyk (November 2012)
13/12/12
In November I spent most of time analyzing results obtained from microbial experiments and AFM measurements. Of course, I was also working in the lab, where I had stained samples after Impact R test and subsequently visualized surfaces by CLSM.I prepared a new series of specimens for HUVEC growth ki -
PhD report (November) K.Kubok
12/12/12
My activities in November:
During this month I had to prepare oral presentation and poster for:
•1) 9th Polish-Japanese Joint Seminar on Micro and Nano Analysis organised together with Microscopy Society and University of Toyama, - Sieniawa 10-13 October 2012
•2) SIM 2012 orga -
Only a few steps forward in November (by K. Glowinski)
11/12/12
This was a really long month. I have been trying to resolve an issue of incompatibility of three coordinate systems: the one in which Euler angles of misorientations are computed, the one in which x and y coordinates of .ang data files are given and the last one which is used in the external softwar -
November 2012/ Piotr Bobrowski
10/12/12
This month I was investigating samples of cubic zirconium dioxide. Samples were manufactured at AGH University of Technology. The cubic phase was stabilized by addition of 8mol % of yttria. First results are very promising, however material is quite porous what can cause some data processing difficu -
PhD report (November 2012) MG
10/12/12
In November I’ve made the first attempt of in situ production of AlN reinforcement in aluminium matrix using liquid Al and Mg3N2. For that purpose I placed a few green compacts of Mg3N2 powder on the bottom of an alumina crucible (in an induction furnace, under inert atmosphere) and covered it with -
PhD report G. Kulesza (November'12)
06/12/12
I prepared the samples to demonstrate them in the PhD students meeting in Drezno. I was going to show the differences in the surface morphology after etching in the solutions with different compositions.
I participated in the training on the photovoltaic modules simulator Quick Sun 820A. This s -
Silver nanoparticles deposition
04/12/12
Silver nanoparticles are key building blocks of my plasmonic structure. This choice was made because of simulation results and literature survey. Required concentration of silver nanoparticles is about ten to the power of nine per centimeter squared. The Basic difficulty is fabrication of such dense -
PhD report Dec 2012
04/12/12
Xmas is approaching. Some preliminary VSM results show that the studied Ni-Mn-Sn-Al ribbons feature magnetostructural transition, which render them promissing for magnetocaloric applications.
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December
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November
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PhD report (November 2012) K. Stan
30/11/12
In November I performed some microhardness measurements on melt-spun ribbons with different loading rates. I tried to gather data I have obtained so far and analyze them to set research plan for nearest months. In this month three new melt spun ribbons with W, Hf and Nb addition were prepared. Addi -
computer simulation II part
29/11/12
Continuation of the molecular dynamic simulation for liquid binary alloys Al-Zn, Al-Li using EOPP and MEAM potential for modelling the viscosity, density. Attempt to find the interatomic potential for Zn in order to application for liquid Al-Zn alloy. In case of Al-Li alloy, many variants were used -
November 2012
29/11/12
Samples polished grit paper the final of 1200, and then polished the diamond pastes (powder with a diameter of 6, 3 and 1 micron). The samples to be further polished for microscopic examination using a colloidal silica having a particle size 0.06 microns, and then digested with the alcohol solution -
Progress in PhD science
25/11/12
During last couple of weeks samples of KoBoed earlier zinc were analyzed by means of EBSD technique in SEM. As pointed before samples were held in liquid nitrogen temperature prior to metallographic preparation and inspection. Crystal Orientation maps from transverse sections revealed microstructure -
PhD report (October 2012) J.Poplewska
14/11/12
The article send to 'Materials Science Forum':
'Early stages of recrystallization in ECAP-deformed AA1050 alloy
investigated by SEM orientation mapping'
Jagoda Poplewska, Henryk Paul, Katarzyna Berent
Keywords: nucleation & recrystallizat -
PhD report (October 2012) A.Mzyk
13/11/12
In October I performed experiments in order to assess thrombogenicity and lymphocytes activation by alginate and poly-L-lysine modified capsules. This beads could be immobilized on the polyelctrolyte multilayer surface and applied as an effective carriers for various growth factors stimulating HUVEC -
PhD report Nov 2012PC
10/11/12
We started to characterize the ribbons containing Al substitution in place of tin by SQUID measurements. These results will allow the study of the magnetic properties of the alloys. -
PhD report G. Kulesza (Otober'12)
08/11/12
With respect to the studies carried out in August (AFM and profilometer) additional tests were performed using confocal microscopy. The investigations showed that the sample etched in a solution of 8HF:1HNO3:1H2O volume ratio for 60 seconds was characterized by a normal regular surface microstructur -
New academic year - new tasks! - K.Glowinski
08/11/12
Actually I have done nothing spectacular this month. I started to work with two example data sets: yttria and nickel superalloy. I spent a lot of time playing with various parameters that can be set in the software for data clean-up and boundary surface reconstruction. I developed a part of computer -
PhD report (October 2012) K. Stan
06/11/12
In October I visited Institute for Technical Physics and Materials Science in Budapest. During my stay I had opportunity to perform in-situ heating on thin foil of the multicomponent alloy (with Zr and Mo addition). In this month I also prepared some new alloys by conventional casting. Cast samples -
PhD report (October 2012) MG
05/11/12
In October I decided to change a production route of my in situ Al/AlN composites. As a solid state reaction method hasn’t really worked out, I decided to switch to liquid state reaction (but still with a use of magnesium nitride as a nitrogen-bearing medium).
I also visited the Institute -
October 2012/ Piotr Bobrowski
05/11/12
During October I was trying to investigate Al6013 sample. It was processed using the KoBo method. I was trying to collect EDS data along with EBSD. First try was unsuccessful because of unknown software error which resulted in stopping of the experiment. During the second try, a microscope failure o -
PhD report (October) K.Kubok
04/11/12
My research in October:
The article entitled "Investigation of structures in as-cast alloys from the Mg-Zn-Ca system"
was sent to Achives of Materials and Metallurgy
Here you can read abstract:
Alloys of nominal composition Mg-3Zn-xCa (x = 0, 0.2 -
PhD report HK (October)
02/11/12
In October I’ve studied the electrodeposition process. I lead the process of potentiostatic deposition of Zn-Mo alloy layers, on the steel and copper surfaces, from stable homogeneous Zn(II)-Sn(II)-Mo(VI) and Zn(II)-Mo(VI) citrate baths, in the slightly acid range (pH about 5), with different concen
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PhD report (November 2012) K. Stan
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October
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computer simulation I part
31/10/12
Management of the molecular dynamic simulation for liquid Al-Zn alloys in order to model the transport properties using Yukawa and EOPP potential. Random mixing and PBC condition was used to simulate the viscosity and diffusion coefficient. -
P. CZAJA on his PhD progress
30/10/12
Little did we know with respect to linearity of bevavior of the martensite start temperature in the particular valence electron range, which is somewhat omitted in the literature on this subject. Therefore in order to shed more light on this intriguing phenomena new set of alloys was prepared. The a -
October
30/10/12
The object of study was a commercial pipe magnesium Mg 3% Al 1% Zn 0.2% Mn (AZ31), hot pressed out at 430 ° C with a degree of deformation equal 9th Tube having an initial wall thickness of 4.5 mm and a diameter of 20 mm was then subjected to the process of rolling pielgrzymowego plunger. Before rol -
PhD report (September 2012) J.Poplewska
18/10/12
This month I studied the books which I bought to the projekt:
1) Bulk Nanostructured Materials; Michael J. Zehetbauer, Yuntian Theodore Zhu, John Wiley & Sons, 2009;
2) Introduction to Texture Analysis: Macrotexture, Microtexture, and Orientation Mapping; Olaf Engler, Valerie Randle, -
PhD report (September 2012) A.Mzyk
15/10/12
In September I participated in session B courses organized as a part of European School on Nanosciences and Nanotechnologies (ESONN'2012) in Grenoble - France. That was the ninth edition of three-week summer school aimed at providing training for PhD students in the field of nanotechnologies an -
A September report from the PhD project
09/10/12
In September we decided that KoBo extrusion / deformation experiments with high purity Zinc need to be repeated. Some of the previous samples have been analyzed after significant amount of time from original extrusion process. Some others were analyzed after much shorter time. Discrepancies in mean -
PhD report G. Kulesza (September'12)
09/10/12
The plan set in September was carrier lifetime measurements for silicon after acid texturization. The results were inconsistent with the expected (derived from the literature) because of occurring in wafers surface recombination prevented accurate measurement. For the correct measurement it is requi -
PhD report (September HK)
08/10/12
In September I’ve continued the the voltammetric studies on a copper surfaces, from stable homogeneous Zn(II)-Mo(VI) citrate baths with various concetrations of sodium citrate and sodium molybdate. The voltammetric measurements were performer in a tree-electrode cell , by means of potentiostat PARST -
PhD report (September 2012)
05/10/12
Last month I took part in the ”9-th Polish-Japanese Joint Seminar on Micro and Nano Analysis” (Sieniawa, 10-13.09.2012). I had an opportunity to present a poster there entitled “Microstructure and microhardness of ball milled/hot pressed aluminium with Mg3N2 addition”, which described my first atte -
Septembeer 2012
05/10/12
Most of this month was spend on holidays, so there is much to write about but it does not concern science. Berore holidays i was interpreting data collected during previous month. -
PhD report Oct 2012PC
05/10/12
Having researched some more literature we came up with new compositions to be studied. New alloys will cast by means of induction melting as well as arc melting. Then we will transfer the bulk alloys into melt spun ribbons in order to compare the properties resulting, if any difference, from micros -
Adventures of September, K. Glowinski
03/10/12
I started last month with an attendance in The XXII Conference on Applied Crystallography which took place in Targanice. I had an opportunity to listen to many lectures covering a really vast spectrum of topics related to crystallography and materials science. I presented a poster entitled "On -
September 2012/ Piotr Bobrowski
03/10/12
In September I was carrying measurements of Crofer22APU steel. EDS and WDS techniques were applied to investigate chemical composition of oxide layers forming on materials surface. Particular attention was paid to precipitates. It was found that with increasing oxidation time the density of crystall -
Z. Starowicz - silver particle size
03/10/12
Simulation model based on measurements of enhancement of light transmission to the silicon substrate revealed that 160nm diameter sphere should be the most relevant in that case.
This model will be improved in the spring 2013.
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computer simulation I part
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September
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PhD happy blogging P. Czaja
28/09/12
In September I attended th XXIIth Conference on Applied Arystallography which took place between the 2nd-6th this month in Targanice in Silesia region. Few talks I found interesting although there weren't too many on shape memory materials. In fact there was only one concerning the mechanics -
PhD report (September 2012) K. Stan
27/09/12
During the month I was studying samples of alloys with five components (namely with Zr and Mo addition) using TEM. I took part in the conference „9-th Polish-Japanese Joint Seminar on Micro and Nano Analysis” where I gave presentation titled: „Effect of alloying elements on microstructure and proper -
PhD report (August 2012) K. Stan
07/09/12
In this month I was mainly studying samples with Zr addition using TEM. I also performed some microhardness measurements. In the second part of the month I was preparing for the conference „9-th Polish-Japanese Joint Seminar on Micro and Nano Analysis” (abstract, presentation). -
PhD report (August 2012) J.Poplewska
06/09/12
Samples of AA3004 aluminium alloy pre-deformed by ECAP and annealed at 265°C and 280°C have been prepared to the observations in scanning electron microscope (EBSD/SEM).
I tried to calculate the percentages of the various components of texture of faded 20-degree for each of samples of AA1050 al -
PhD report G. Kulesza (August'12)
06/09/12
AFM studies show that the highest roughness is obtained fo a silicon wafer textured in acid solution contains 8HF:1HNO3:1H2O. Process time was 1 minute - this is a relatively short period of time leading to a significant reduction in production costs. AFM investigations are consistent with reflectio -
PhD report (September 2012) K. Stan
05/09/12
Main activities carried out during September:
- preparation of an article from the results obtained so far
- preparation of the presentation for the 9-th Polish-Japanese Joint Seminar on Micro and Nano Analysis in Sieniawa
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Good ol' August
05/09/12
As July and almost two week holiday I took faded away like a distant memory, I started to organize results obtained so far and thinking what to do next. Since there was quite a big discrepancy in observations regarding KoBo-ed zinc, a decision was made that new investigations should be conducted. Es -
PhD report (August 2012) M. Gajewska
05/09/12
In August, I continued my investigations of balled-milled powders after different milling periods. I also performed some TEM investigations of compacted ball-milled aluminium powder with magnesium nitride addition hoping to find any evidence of AlN formation during milling/hot pressing of powders bu -
August 2012/ Piotr Bobrowski
04/09/12
This month I was focused on investigations of tetragonal ZrO2 samples received from AGH. These are preliminary studies carried out to obtain information about measurement parameters that are necessary for successful experiment. -
Simulations preliminary results. Z.Starowicz
04/09/12
I have obtained first preliminary results of my computer simulations. They were performed using FDTD Solutions of Lumerical. This program uses fine mesh of lattice points in the space and solves Maxwell's equations in ech point. By placing any object and setting light source with distnct monit -
August report (HK)
03/09/12
In August I continued the the voltammetric studies and potentiostatic deposition of alloy layers, on the steel and copper surfaces, from stable homogeneous Zn(II)-Mo(VI) citrate baths with various concetrations of sodium citrate and sodium molybdate.
Next I summarized all the investigations car
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PhD happy blogging P. Czaja
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August
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August
31/08/12
Attempts were made to embossing pattern on a copper disc, completed only a partial success. Due to the high melt of the strong deformation pattern is only partially extruded. However, it was discovered the cause of this difficulty - an outside company doing the matrix does not leave room for the flo -
PhD scientific blogging PCzaja
31/08/12
While August was dissolving into a distant memory I designed new compositions of my alloys (Ni-Mn-Sn). This is to study the influence of valence electron concentration on martensititic start tarnsformation temperature within a concentration range that seems to be uncharted according to literature. T -
PhD report G. Kulesza (June'12 & July'12)
27/08/12
In June I had a two-week research internship at the Wroclaw University of Technology. On the internship I was testing a new alkaline texturing solution based on digestion with KOH and dihydric alcohols. In July, I attended a conference Junior Euromat addressed to students and young researchers. At t -
viscosity of liquids MTrybula(Aug12)
20/08/12
Theoretical description of viscosity of liquids in terms of pseudopotencial approach and no-equilibrium molecular dynamics. Definition of viscosity based on theory free atom. -
July raport (HK)
14/08/12
In July I continue potentiostatic deposition of Zn-Mo layers from the following citrate solutions :
1) 0,65 M Na3HCit + 0,16 M ZnSO4 + 0,24 M Na2MoO4 + 0,1 g PEG +0,01 g SDS; pH=5
2) 0,45 M Na3HCit + 0,16 M ZnSO4 + 0,24 M Na2MoO4 + 0,1 g PEG +0,01 g SDS; pH=5
3) 0,45 M Na3HCit + 0,1 -
PhD report (July 2012) K. Stan
14/08/12
Main activities and studies carried out during July:
- Preparing samples for microharness measurements
- Microhardenss measurements
- Samples investigations with Cu using TEM
- Tensile tests for ternary alloy and alloy with Mo addition
- Writing an abstract for the -
M. Gajewska, PhD report (July 2012)
13/08/12
During last month I was investigating the influence of high energy ball milling on a morphology and mechanical properties of a 7475 aluminium alloy powder and AA7475/AlN composite powders in order to determine an optimal milling time for each composition. To achieve that I decided to investigate m -
PhD report (July 2012) J.Poplewska
13/08/12
This month I have been trained in preparation of thin films on the observations in the transmission electron microscope (TEM).
I continued research with AA3004 aluminium alloy. I prepared new samples - samples pre-deformed by ECAP were annealed at 265°C and 280°C because in range from 250°C to -
PhD report (July 2012) A.Mzyk
13/08/12
Splash!!! I wish it had been me that jumped into cold blue water…Ehh, instead that I had an additional work…my freshly prepared buffer was spilled on a lab floor...it’s quite difficult to focus on important things when outside is the middle of summer. Anyway, opportunity to work in the lab with an a -
July 2012 / Piotr Bobrowski
09/08/12
This month I did some measurements on Crofer 22APU samples. I recieved a new series of samples from Foundry Research Institute. Aditionally I started working on ZrO2 ceramics recieved from AGH Universsity of Thechnology. The ceramics have tetragonal structure that is very close to cubic and its grai -
Develompents in July
06/08/12
In July i continued preparation and EBSD microstructure investigations of KoBo extruded samples. First just for sport I prepared sample from some aluminum alloy. Preparation compared to zinc and titanium was a breeze and good results was easily achieved, which was nice change after soft hexagonal ma
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August
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July
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PhD report K. Kubok (July 2012)
31/07/12
My research in July:
During the first month of summer holiday I have focused my interest on analyzing all data and writing first article. I have prepared lots of plots, tables and images needed for the publication. Apart from this, some extra evaluation using TEM, SEM and XRD has been don -
PhD report (June 2012) A.Mzyk
30/07/12
Probably nobody reads my posts…Anyway, just in case I will write what’s new in my studies performed during June. Days were really hot and sunny but I was sitting inside the Institute building and writing paper “The chemical and thermal stability of the porous coatings for the controlled cell deposit -
Atomic ordering P. Czaja and his work in July
25/07/12
In July I learned about atomic ordering in my alloys and how it may influence the martensitic start transition temperature. Strictly speaking depending on the chemical arrangement of atoms, occupation of lattice sites, there are three possible ordering variants. L21 representative of the Heusler str -
July
24/07/12
In July, the measurements of the treated discs texture using ultrasound sonotrode and generator, which took place during a visit to the company SonicArts in Warsaw. Discs were subjected to ultrasonic waves with an amplitude of several micrometers in 12 seconds while being boiled power on the device. -
FVM- MTrybula(july12)
22/07/12
An implementation of a new potential to free volume model- consideration of anharmonic oscillation in applied potential. -
Report: June 2012
15/07/12
June was the time that I spent mostly on preparing myself and my computer program for the conference. Now I have some time
to sum up what I've already done and what are the next steps. For experimental data analysis we could use boundaries
reconstructed by dream3d software. One disadv -
3DMS conference
15/07/12
Taking advantege of wasting my time at the airport I've decided to write a couple of lines about the conference I've just attended.
Its title was "3D Materials Science" and its purpose was to give the community involved in any kind of three-dimensional analysis of materials -
June report (HK)
12/07/12
In June I continue the study of the electrodeposition process. I lead the process of potentiostatic and galvanostatic deposition of alloy layers, on the steel and copper surfaces, from stable homogeneous Zn(II)-Mo(VI) citrate baths, in the slightly acid range (pH about 5), with different concentra -
June in motion
10/07/12
June was rather event heavy. At the very beginning of the month I had some of my titanium KoBo-ed at AGH. It was the first time I saw working KoBo press and experience was quite terrifying. Fortunately no one got hurt, apart from two dies (8 and 10 mm diameter) that where used in extrusion attempts. -
PhD report (June 2012) J.Poplewska
10/07/12
I participated in Workshops 'Advanced Materials and Nanoanalysis' held in 25-26.06.2012 in Cracow. The conference was organized by the Institute of Metallurgy and Materials Science of Polish Academy of Sciences and the Dresden Fraunhofer Cluster Nanoanalysis under the auspices of the Europ -
PhD report (June 2012) M.Gajewska
05/07/12
In June I took part in the 19th International Symposium on Metastable, Amorphous and Nanostructured Materials - ISMANAM 2012 (Moscow, 17-23 June). I presented a poster there entitled “Effect of reinforcement particle size on microstructure and mechanical behavior of AlZnMgCu/AlN nano-composites prod -
PhD report (June 2012) K. Stan
04/07/12
Main activities and studies carried out during June:
- Preparing a poster for the conference
- Participation in the conference ISMANAM 2012
- Preparing of an article from the results obtained so far
- Participation in the workshop „Advanced Materials and Nanoanalysis” < -
June 2012 / Piotr Bobrowski
04/07/12
This month I took part in conference "EMAS 2012 Regional Workshop" that was held in Padowa. An abstract of the poster presentation is given below:
The “Crofer 22 APU” is a trade name of the steel developed for use in high temperature solid oxide fuel cells (SOFCs). It is used as -
PhD report K. Kubok (June 2012)
01/07/12
My research in June:
Detailed study on the distribution and types of phases in all my samples has been done by transmission electron microscope. TEM specimens have been prepared by twinjet electro-polishing using a special solution. Carful TEM examinations of the dendritic phase have conf
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PhD report K. Kubok (July 2012)
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June
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PhD report (June 12) MTrybula
29/06/12
Studies carry out on june:
> description of physical properties within CMD and FVM models
> Continuation of EMF measurement for constant ratio of Al to Zn - eutectic composition
> analysis of results
> finding of a new correction to applied model (FVM) -
June in Italy P. Czaja reporting on his adventurous travels
29/06/12
In June I went to Italy. It was splendid although I went there not for holiday but for a conference. Montecatini Terme was a site of the 12th International conference on Smart Materials and Structures organized by CIMTEC. It was my first so BIG multiculti scientific gathering. I regard it as a highl -
PhD report (April 2012) K. Stan
27/06/12
Main studies carried out during April:
- microhardness measurements for the ribbons with molybdenum addition after annealing
- XRD analysis of phase composition for the ribbons with molybdenum addition after annealing
- TEM investigations of thin ribbons with molybdenum -
PhD report G. Kulesza (May'12)
22/06/12
This month I was textured silicon wafer, again in acidic solutions. I prepared also the wafers to the academic placement on the Wroclaw University of Technology. The preparation was consisted of cleaninging and thoroughly etching defected layer. -
June
21/06/12
The prototype software was modified to count stress sin2ψ method based on the geometric center of gravity of the peaks. Based on data smoothed fitted linear background, which then is subtracted from the raw data and the smoothed data, which served to match one of the specified distribution -
PhD report (May 2012) A.Mzyk
15/06/12
Another month has passed...In May I focused on analysis of results which I obtained from micromechanical tests and FTIR studies. I’ve also summarized the thermal stability experiments. Calorimetric measurements and microscopic analysis of endothelial cell growth kinetics showed that polyelectrolyte -
M. Gajewska, PhD report (May 2012)
11/06/12
During last month I was investigating morphology and mechanical properties (mainly micro-hardness) of composite powders after 40 h of high energy ball milling. For that purpose I used optical microscope, scanning electron microscope (SEM) equipped with EDAX energy dispersive X-ray (EDX) detector, X- -
PhD report (May 2012) K. Stan
08/06/12
Main studies carried out during May:
- TEM ad SEM investigations of ribbons microstructure in as spun state and after annealing
- Chemical composition analysis combined with elemental mapping of sample after in-situ heating and after isothermal annealing to investigate chang -
May or May not?
06/06/12
In May due to upcoming EMAS workshops, effort was done to prepare more zinc samples in order to confirm previous observations and collect proper amount of data for statistics. Unfortunately as previous EBSD observations revealed, preparation of zinc samples in a way that no distortion to the crystal -
Coding in May
05/06/12
May was a month when I totally rearranged the vision of my program and made some steps towards analysis of experimental data.
Thousands of lines of code were developed making my program a tool for users not only for the author. -
May report
04/06/12
In may I continued spectrophotometric and voltamperometric studies of citrate bath with various concentrqtions of zinc sulpate ant sodium molybdate. I also lead the electrodeposition procesess in potentiostatic and coulostatic conditions on the steel and copper surfaces, from stable homogeneous an -
May 2012 / Piotr Bobrowski
04/06/12
This month I was wocused on investigations of the Crofer 22APU samples recieved from Foundry Research Institute. I was using EDS and WDS to measure chemical composition of surface oxide layers formed upon annealing in oxidative envitoment.
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PhD report (June 12) MTrybula
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May
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PhD report (May 2012) J.Poplewska
31/05/12
This month, I was preoccupied with preparations for a business trip - organizing travel, accommodation, etc. in order to participate in the Conference 'Oxford Instruments EBSD Symposium and Workshop 2012' held between 22-24 May 2012 in Wiesbaden-Schlangenbad.I was also working on preparati -
May
30/05/12
Attempts were made to embossing pattern on a copper disc, completed only a partial success. Due to the high melt of the strong deformation pattern is only partially extruded. However, it was discovered the cause of this difficulty - an outside company doing the matrix does not leave room for the flo -
PhD report K. Kubok (May 2012)
30/05/12
My research in May:
The new alloy with slightly changed composition has been prepared: Mg-3Zn-0.2-Ca. I have developed this as cast alloy to check the possibility of finding the new ternary or binary phase. In all previous Mg-Zn-Ca phase only one ternary phase has been found: Mg6Ca2Zn3.The allo -
CMD-CPMD (MTrybula)
29/05/12
An application of molecular dynamics simulations: the microcanonical and canonical ensembles, to liquid metals and alloys. A design of potential to physico-thermodynamic and structural studies for liquid metals and alloys. -
Conference report (Oxford Instruments) J.Poplewska
28/05/12
In 23-24 May 2012 I attended in Oxford Instruments EBSD Symposium and Workshop, Wiesbaden 2012.
My participation in the Symposium was related to the presentation of research results of AA1050 aluminium alloy after 1 hour annealing in selected temperatures previously deformed by ECAP. My r -
plasmonic cells efficiency improvement confirmed
22/05/12
I would like to confirm the efficiency improvement due to effective light scattering from plasmonic nanostructures. My experiments were carried out on nontexturised silicon solar ells. In both cases when silver nanopaticles were deposited on bare cell surface or within antireflection layer increase -
Conference EMRS Strasburg 2012 - Report
22/05/12
About 5 pm on the first day of scientific trip I got to the Cap Europe, where I was accommodated. The conference should begin on Monday 14 of May but on Sunday Young Scientist Tutorial on characterization techniques for thin film solar cells took place then and I wanted to participate in this event -
April - short report
21/05/12
In April I had an opportunity to give a talk in our institute about my work and planned PhD thesis. I spend quite a lot of time preparing my slides and putting my knowledge in right order. Then I wrote and submitted an abstract for the XXII Conference on Applied Crystallography concerning frequencie -
Wonderfully cooked May P. Czaja on his War and Peace writing skills
20/05/12
May, May May…just reflecting on this shortest of months, in terms of the number of characters in its name of course! In May I cooked mostly that is to say I busied myself with preparing a concoction. I mixed together ethanol and orthoposphoric acid, which was to give a solution badly needed for maki -
MTEX Workshop
18/05/12
I attended a workshop titled "Texture Analysis with MTEX emphasasing EBSD Data Analysis" which took place in Freiberg, Germany at the TU Bergakademie. The most interesting part focused on reconstruction and analysis of 3D EBSD data, in particular on grain reconstraction, meshing and smooth -
PhD report G. Kulesza (April'12)
17/05/12
Last month I prepared an article which will be published in the journal 'Elektronika'. In addition I prepared samples (silicon wafers) that will be etched during the research internship on Wroclaw University of Technology in June. -
PhD report (April 2012) A.Mzyk
10/05/12
The last month started from the Fool’s Day like it takes place every year. I am an ideal candidate for being a victim of cruel jokes of fate. Therefore at the beginning of the month every step in my studies was a complete disaster. Fortunately there was light somewhere at the end of the tunnel...
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April 2012 / Piotr Bobrowski
09/05/12
The most interesting event this month was the „FEI DualBeam Users Club Meeting” in Eindhoven. I took part in it to have a look into the direction of development of the latest equipment. During the meeting I have received answers to few questions concerning 3D EBSD measurements and data processing. R -
PhD report (April 2012) M. Gajewska
07/05/12
In april I took part in the 16th Seminar „COMPOSITES 2012 - Theory and practice” (Poraj, 18-20 of April 2012). I gave a presentation there entitled “Microstructure and mechanical properties of AA7475/AlN compacts with varied reinforcing particles size”. That’s why, last month I mainly focused on pre -
PhD report (April 2012) J.Poplewska
07/05/12
My research carried out in April:
- preparing the surface of the AA3004 aluminium alloy for EBSD/SEM measurements: grinding on abrasive papers (it was need to take off 1 mm of the surface)and polishing using diamond pastes and electropolishing.
- obtaining EBSD orientation maps for the AA3 -
reaserch in April
07/05/12
In April I continued the study of stability of homogeneous Zn(II)-Mo(VI) citrate solutions, the study of electrochemical properties of citrate complexes presented in examined solutions and the study of the kinetics and mechanism of electroreduction of Zn and Mo citrate complexes, by cyclic voltammet -
Developments of April
02/05/12
In April I wrote a abstract titled „EBSD/SEM investigation of microstrain fields and microstructures in pure zinc extruded by KoBo method”. The abstract was prepared for workshop „ELECTRON PROBE MICROANALYSIS OF MATERIALS TODAY - PRACTICAL ASPECTS” held by European Microbeam Analysis Society in Padu
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PhD report (May 2012) J.Poplewska
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April
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April
26/04/12
The analysis of the sample phase of titanium alloy of aluminum, titanium and niobium coated hydroxyapatite for beam angles 1, 2, 5 degrees. The first sample had a 100-nanometer layer of hydroxyapatite, while the second sample was coated with a layer of hydroxyapatite dwustudwudziesto nanometer. Samp -
EMF et AIMD (MTrybula)
23/04/12
From experimental point of view, continuation of the measurement of the electromotive force of liquides AlLiZn alloys for constant ratio of concentration of Al and Zn, equals 3.0. Addition of the concentration 0.5, 0.7 et 0.9 lithium, respectively.
Whereas, from theoretical side, an applicat -
PhD report (March 2012) A.Mzyk
19/04/12
Another month has passed and the next papers have been read...This time I focused on the literature concerning methods of cellular adhesion and proliferation control on the polyelectrolyte multilayer surfaces. I produced several series of samples to evaluate the micro-hardness. I prepared specimens -
PhD bravado style progress P. Czaja reporting on the April 2012 achievements
17/04/12
In April we did some TEM work on Ni-Mn-Sn based and aluminium doped samples. The aluminium content was 1 and 2 atomic %. The first sample with 1 at. % of Al nicely showed typical for this materials Heusler structure composed of four interpenetrating bcc sub lattices. What is more in the grain bounda -
March short communications
12/04/12
I am still fighting and looking for ideas how to extract information which is of my interest from 3D EBSD data in an effective way. I have been testing a dozen of different computer programs... however none gives satisfying results. It appear I will have to spend some more time looking for good solu -
phD report March 2012
11/04/12
In march I studied the mechanism of electrodeposition of Zn-Mo alloy from citrate solutions. I used cyclic voltammetry method for it. The electrodeposits were obtained from stable, homogeneous Zn(II)-Mo(VI) citrate solutions in the slightly acid range (pH about 5). The surface composition was determ -
PhD report G. Kulesza (March'12)
10/04/12
From 29 March to 1 April 2012 I had the pleasure to participate in the III Symposium on Photovoltaic and Transparent Electronics - Perspectives of Development. At the Symposium I have presented the speech entitled "Chemical texturisation of crystalline silicon surface in solution based on HF an -
M.Gajewska, PhD report (March 2012)
05/04/12
My research in March:
- Vicker’s microhardness test performed on the third series of composite samples
(with submicron AlN reinforcement)
- ball-milling of Al/AlN (10%) and AA7475/AlN (5%) powders
- uniaxial hot pressing of Al/AlN (10%) ball milled powder
- TEM inv -
PhD report (March 2012) J.Poplewska
05/04/12
My research carried out in March:
- preparing the surface of the AA3004 aluminium alloy for EBSD/SEM measurements: grinding on abrasive papers (it was need to take off 1 mm of the surface)and polishing using diamond pastes and electropolishing.
- obtaining EBSD orientation maps for the AA -
PhD report (March 2012) K. Stan
04/04/12
Main studies carried out during March:
- microhardness measurements of the melt - spun ribbons with chromium, titanium, and vanadium addition in the as- cast state,
- preparation of new pentanary alloy,
- investigation of thin foils with titanium and vanadium addition using T -
March 2012 / Piotr Bobrowski
03/04/12
This month I was focused on 3D EBSD experiments on aluminium 6013 alloy after severe plastic deformation. The new software that was installed 2 months ago works quite well. Apart from data collection, data post processing was also carried out. Since there are no well established methods for data pro -
Spring-ish developments of March
01/04/12
In March microstructural research on KoBo deformed materials continues. Two sample types of KoBo'ed hexagonall materials were prepared: 8 mm discs from CP Grade 2 titanium and resin immersed 2 mm zinc wires (oriented to observe transverse section). Samples were prepared for EBSD investigations.
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April
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March
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March
28/03/12
Were prepared with the sleeve opening and closing wedges of pure magnesium and magnesium test system - phosphorus. Phosphorus as an element of a low boiling point (below the melting point of magnesium) had to be trapped in the prepared sample, that can not be evaporated. Naważono 10% by wei -
PhD report K. Kubok (March 2012)
28/03/12
My research in March:
My research in March:
Samples prepared from alloys (cast during previous month) has been prepared by standard metallographic procedures for SEM and XRD evaluation. Samples for optical microscopy have been etched in a solution of acetic picral to reveal grain bou -
PhD report - P. Czaja March 2012
27/03/12
In March while I was nursing my broken right hand (unfortunate fall on a ski slope, which I attempted to challenge perhaps too ambitiously) our research continued. Few samples were sent away for VSM (Vibrating Sample Magnetometer) examination. This method will allow us to study the magnetic properti -
PhD report (February 2012) K. Stan
22/03/12
Main studies carried out during February:
- microhardness measurements of the melt spun ribbons in the as- cast state and after annealing at different temperatures,
- preparation of new pentanary alloy,
- phase composition analysis of quaternary alloys with silicon and copper -
ZStarowicz "Progress in Ag nanoparticles deposition"
22/03/12
During last 3 months I was trying to find solution in case of silver nanoparticles deposition. Due to hydrophobic properties of titanium dioxide surface, spin caoting deposition isn't very efective. I tried also to mixed coloidal solution with some alcohols to increase wettalbilty or let the dr -
PhD report K. Kubok (February)
22/03/12
My research in February:
Table above presents all types of bioresorbable magnesium alloys, which were cast in February.
These alloys were produced in argon atmosphere in 750 C. I also focused my interest on theoretical background of TEM studying Introduction to Conventi -
EMF (MTrybula)
22/03/12
Preparation of the cell for the measurement of the electromotive force (EMF) for liquid ternary Al-Li-Zn alloys, especially in Li-rich, in which Al/Zn is 0.14. Analysis data and calculation of the partial molar thermodynamic functions, like enthalpy, entropy and Gibbs energy. Description of the temp -
PhD report (February 2012)
20/03/12
Last month I focused on preparing an article (“Microstructure and mechanical properties of AA7475/AlN compacts with varied reinforcing particles size”) and an abstract (“Effect of reinforcement particle size on microstructure and mechanical behavior of AlZnMgCu/AlN nano-composites produced using mec -
PhD Report G. Kulesza (February'12)
16/03/12
Among the researches of acidic texture performed on multicrystalline silicon texture some selected wafers were subjected to the production of solar cells. Then optoelectronic parameters (reflectance in the range of 400-1100 nm and the current-voltage characteristics) were examined. I am pleased to a -
PhD report (February 2012) A.Mzyk
15/03/12
In the last month I decided to focus my attention on polyelectrolyte layers internal structure and its influence on physico-chemical properties of the multilayer coating. Therefore I made a literature review and I prepared a series of samples for FTIR (Fourier Transform Infrared Spectroscopy) evalua -
First paper
09/03/12
Recently I have spent a lot of time preparing my first paper related to PhD project. I hope it will be published in the 3D Materials Science conference proceedings. Its title is “A Toolbox for Geometric Grain Boundary Characterization” which means I have focused on short description of package of so -
PhD report (February 2012) J.Poplewska
05/03/12
In February, I passed exams of 'Fundamentals of solidification', 'Advanced scanning electron microscopy in materials science' and 'Transmission electron microscopy in materials science'.
I attended in PAS Seminars:
- MSc Eng. Jakub Kawalko: 'The use of me -
February 2012 / Piotr Bobrowski
05/03/12
This month I took part in a training concerning use of the new WDS equipment. It seems that it will be useful in my PhD work since some X-ray peaks from elements in samples received from IOD overlap and are impossible to be distinguished by EDS. Rest of the month was spent on practicing use of the W -
February H. Kazimierczak
01/03/12
In February, I focused on improving of my first scientific publication. I wrote about electroeposition of Sn-Zn and Sn-Zn-Mo layers from citrate solutions. I mainly describe the results of voltammetric studies. My paper has been already reviewed. I hope that my publication will be published soon. Th
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March
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February
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February
28/02/12
The goal of my dissertation future will improve the structural properties of magnesium alloys AZ 31 and AZ91, by establishing certain microstructural conditions. The main topic of the paper will examine the impact of thermomechanical strengthening of molded magnesium alloy to improve their propertie -
EMF study-MTrybula(Feb12)
27/02/12
Thermodynamic study of liquid Al-Li-Zn alloys in dependence on temperature, when one and two phase an electrode reference was applied. Calculation of excess thermodynamic functions (Gibbs free energy, entropy, enthalpy of mixing and activity) of lithium. Confrontation the experimental data with a mo -
Theoretical study of liquid metals and alloys - MTrybula(August12)
27/02/12
Theoretical description of liquid state of metals and alloys, displaying a negative as well as positive deviation from Verlag's law. Construction a new viscosity model for description thermodynamics liquid alloys based on pseudopotentiel theory and MEAM model. -
January 2012 / Piotr Bobrowski
27/02/12
In the beginning of this month I took part in training concerning new software for 3D EBSD measurements. IT implements some new features. Additionally, it is much easier to use and (at least by now) appears to be more stable. Rest of the month was spent on further training and gaining experience in -
Why fly ashes rock. Some thoughts about my last seminar.
23/02/12
During the last seminar, on January 20th, I had an opportunity to share with my colleagues the results of the research I did for my engineer’s degree. I earned the degree at the Faculty of Foundry Engineering, AGH University of Science and Technology, though I did most of the experimental work in th -
EMF study(mtrybula)
23/02/12
First try of measurement the thermodynamic properties of liquid ternary Al-Li-Zn. The measurement of electromotive force (EMF) by using lithium reference electrode. First attempt of building cell
I attended a Seminar and Workshop at SIMAP/Grenoble/France Computational Thermodynamics and Kineti -
PhD Report G. Kulesza (January'12)
17/02/12
Acid textures on polycrystalline and monocrystalline silicon wafers were made. Also monocrystalline wafers were different surface orientated (100) and (111). Texture mixture of HF:HNO3:CH3COOH had various volume ratio and led to different surface morphology examined using scanning electron microscop -
PhD report (January 2012) A.Mzyk
15/02/12
First month of a New Year 2012 I devoted to mechanical characterization of coatings functionalized with polyelectrolytes. I made a review of the literature in the field of film stiffness control methods and evaluation of the results. Properties of the coatings could be characterized using atomic for -
Seminar February '12
13/02/12
On 10th of February I have given a seminar on subjects regarding my previous work on maters thesis and also my plans connected to development of my PhD project.
As for my master’s thesis, significant part of my work time was devoted to building ad development of a specialized research to -
First functionality implemented
13/02/12
Luckily, this month I have managed to finish first basic features of my software toolbox. It can correctly discover geometric character of any given boundary, is able to recognize whether boundaries are near-twist, near-tilt or symmetric. It can detect, for now only for cubic system, if the boundary -
PhD report K.Kubok (January)
09/02/12
My research in January:
During the first month of the year I started to conduct experiments. At first I bought 10 kg of magnesium and 50g of calcium. I also used zinc, but it was from supplies of my supervisor. I cast 25g of Mg-Zn4 wt% alloy in the presence of argon atmosphere at 750 oC. -
PhD report (January 2012)
07/02/12
Most of my research time in January I devoted to preparation of samples from my composites (AA7475 with different additions of AlN) for compressive tests and then performing those tests using INSTRON 3382 mechanical testing machine. -
PhD studies report - Paweł Czaja February 2012
07/02/12
On the very first day of February, which was not particularly frosty from what I can recall, the beforehand annealed samples (annealing is performed in order to ensure a satisfactory chemical homogeneity) were prepared to be sealed in quartz tubes. Annealing at 900 ºC for 1 hour and rapid quenching -
PhD report (January 2012) J.Poplewska
06/02/12
My research carried out in January
- The analysis of chemical composition was obtained with the scanning electron microscope EDS / SEM for newly purchased alloys: Al - 25% Zr and Al - 3% Mg - 0.25% Zr in order to verify the chemical composition comparing with certificate of analysis iss -
PhD studies report - P. Czaja February 2012
06/02/12
On the very first day of February, which was not particularly frosty from what I can recall, the beforehand annealed samples (annealing is performed in order to ensure a satisfactory chemical homogeneity) were prepared to be sealed in quartz tubes. Annealing at 900 ºC for 1 hour and rapid quenching -
January is cold or so I've been told
02/02/12
January was rather heavy on didactic side of phd studies, which means that we had an exam to pass, and a couple of seminars to present, and preparation for these took a bit of time. However some scientific development also took place, mainly thanks to newly established cooperation with Professor Kor -
PhD report (January 2012) K. Stan
02/02/12
Main studies carried out during January:
- analysis of the results obtained so far,
- preparation of two new quaternary alloys,
- microstructure analysis of prepared ingots using SEM,
- preparation of melt-spun ribbons from the cast ingots
- analysis of the ribbons -
Electrochemistry Winter School
02/02/12
In january I participate in "Bath Electrochemistry Winter School" at Bath University (UK)
On the training I listened the following lectures:
- “Introduction to Electrochemistry”, Dr Petra Cameron (University of Bath);
- “Mass transport effects in voltammetry”, Dr Tob
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February
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January
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PhD Report (Jan'12) P. Czaja
30/01/12
In January with the help of my prominent supervisors, which I have the privilege to work alongside with, we produced ribbons via a melt spinning technique. This method is based on rapid cooling of molten materials leading to quick solidification. There were four ingots prepared with nominal composit -
theoretical study of the enthalpy formation of binary metallic sytems (MTrybula)
19/01/12
In Januar,
New Year has started with application the Miedema and de Boer theory for calculation the formation enthalpies of metallic alloys, for example Fe-Ti. Yielded results was compared with DFT calculation. As is well known, Miedema’s group developed a widely used thermodynamic theory -
PhD report (December 2012) A.Mzyk
13/01/12
In December, I took into consideration issues concerning methods of physico-chemical polyelectrolyte multilayer coatings characterization. I devoted time for a review of the literature on the use of radial flow test to determine the kinetics of cell adhesion on solid surfaces. I also made several at -
PhD report (December 2011) K. Stan
09/01/12
Main studies carried out during December:
- analysis of the results obtained so far,
- casting of new quaternary alloy,
- microstructure analysis of prepared ingot using SEM,
- preliminary tensile tests on melt-spun ribbons with molybdenum addition using INSTRON 6025 -
Report/December
09/01/12
If the title is just 'report', that means that nothing really exciting happened... I have been slowly developing my tools for geometric grain boundary characterization, and collecting ideas for futher work. Hopefully, I should be able to analyze some statistical samples soon. What is more, -
PhD report (December 2011) J.Poplewska
05/01/12
My Research:
-Processing by ECAP (equal channel angular pressing) a sample of AA1050 three times according to route A.
-Completion of series of studies with scanning electron microscopy using technique - EBSD (electron backscatter diffraction) - for creating orientation maps (microst -
M. Gajewska, PhD report (December 2011)
05/01/12
In December I performed some Vicker’s hardness test on the last series of composite samples (with submicron AlN reinforcement). It turned out that they have considerably lower hardness than the previous series (with ~1 micron AlN) – about 250 HV. The worse mechanical properties may origin from the -
Snow drifts of December and lack thereof
05/01/12
As December was passing by, and days until delivery of my titanium was freezing away I had the chance to read something more on plastic deformations of metals and KoBo method. Plastic deformation in low temperatures is inevitable tied to development of internal structure, decrease of ductility and i -
December H.Kazimierczak
04/01/12
In december I studied the complex formation and its stability in Zn(II)-Sn(II)-Mo(VI)-citrate systems by cyclic voltammetry method, in a series of electrolytes with different concentrations of sodium citrate, sodium molybdate, zinc sulfate(IV), and tin sulfate (IV). All electrochemical measurements -
December 2011/ Piotr Bobrowski
04/01/12
This month I have focused on reading scientific literature, mainly concerning basics of focused ion beams. Additionally, I was trying to do some experiments on the sample received from IOD last month, but I didn’t manage to successfully accomplish any of the trials.
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PhD Report (Jan'12) P. Czaja
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December
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2011
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December
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December
31/12/11
Is familiar with the methodology of sample preparation for microstructural studies (specimens), and support for Leica optical microscope. Prepared zgłady blades - very responsible of engine airplane - the test is not marked on the strengthening and anti-corrosion layers. Studies have confir -
simulation the physical properties of liquid alloys (MTrybula)
29/12/11
Continuation of modelling the physical properties, especially density. The initial theoretical results are pure accordance with experimental data, only for liquid alloys displaying a negative deviation from Raolt’s law. The appeared difficulties come from bad definition the excess entropy or other f -
PhD report (November 2011) A. Mzyk
19/12/11
PhD thesis - theoretical considerations
The second month of PhD studies at the Institute of Metallurgy and Materials Science passed so quickly… Christmas time will come and be gone in the blink of an eye...However, during that time I had been working on my PhD thesis a little bit and made -
November 2011
09/12/11
This month I have been trying to develope some foundations - implementation of mathematical tools and very basic algorithms, for instance, for conversion from Miller indices into Cartesian coordinates and vice versa, these are basics which will be used very often in the future and therefore must be -
PhD Report (Dec'11) P. Czaja
09/12/11
While Brenda Lee was beginning to rock around the Christmas tree and the year 2011 was nearing its inevitable end I carried on with my research work and I actually succeeded in obtaining some scientific data. Once the alloys, which are under my investigation, ranging in composition with respect to -
Seminar report 02.12.2011 (K.Kubok)
08/12/11
At 02.12.2011 I conducted a lecture about my master thesis and a short introduction into my research during PhD studies. Title of the first part of the presentation was: “Bioactive glass/poly(L-lactide-co-glycolide) composite scaffolds for bone tissue engineering”, the second part of the presentatio -
PhD report November(K.Kubok)
08/12/11
My research in November:
During the second month of my PhD studies at the Institute of Metallurgy and Material Polish Academy of Sciences I paid attention on preparation of a lecture about “Bioactive glass/poly(L-lactide-co-glycolide) composite scaffolds for bone tissue engineering”. In t -
November, H.Kazimierczak
06/12/11
In November I studied the stability of homogeneous Zn(II)-Sn(II)-Mo(VI) citrate solutions and theelectrochemical properties of citrate complexes presented in examinated solutions by cyclic voltammetry method and UV-Vis spectroscopy. I conducted research in the following solutions:
1) 0,25 M Cit -
PhD report (November 2011) J.Poplewska
06/12/11
My Research:
The main goal was to complete series of studies with scanning electron microscopy using technique - EBSD (electron backscatter diffraction) - creating orientation maps (microstructure) for aluminum alloy AA1050. Unfortunately, my goal was not achieved at 100% due to the time- -
PhD report (November2011) K. Stan
06/12/11
Main studies carried out during November:
- analysis of the results obtained so far
- participation in the European PhD School on "Nanoanalysis using focussed ion and electron beams" – Week 1: "Secondary Ion Mass Spectrometry (SIMS), Transmission Electron Micros -
Remember remember the 5th of November
05/12/11
November passed quite quickly and almost unnoticeable while I was busy shopping for books and titanium. Also the atmospheric conditions wasn’t making any clues of time passing by, maintaining the impression that we are stuck in late summer rather than falling straight into the jaws of winter. Howev -
November 2011/ Piotr Bobrowski
05/12/11
In the beginning of this month I have visited the Foundry Research Institute. I have discussed details of planned research cooperation. I have also obtained the first sample to do some experiments on it. The work is focused on identification of corrosion processes occurring in seel sample during hea -
PhD report (November) M. Gajewska
05/12/11
In November I took part in the European PhD School on "Nanoanalysis using focussed ion and electron beams" - Week 1: "Secondary Ion Mass Spectrometry (SIMS), Transmission Electron Microscopy (TEM), Auger Electron Spectroscopy (AES): a comprehensive overview" held in Centre de Re
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December
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November
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experimental methods for determination of liquid metallic system (MTrybula)
30/11/11
Based on so far experiences, the solution model was used to simulation the physical properties. Firstly it was concentrated on density, later on viscosity. Each of them play significant role in developing a new materials and technology. Knowledge of the density of liquid metals and alloys is crucial -
November
27/11/11
Using a hydraulic press flat samples prepared from magnesium alloy for static tensile test while using the probe emitting sound waves. The samples were cut from a sheet of magnesium alloy AZ31 along the rolling direction. The study of static tensile tests showed no effect of ultrasound waves on the -
Topic of Ph.D. thesis - ZStarowicz
24/11/11
Investigation of silicon quantum nanostructures and plasmonic structures for the photovoltaic applications -
If it's October, then we're in a PhD project
17/11/11
Some thoughts after initial literature review
The subject I will be tackling during next four years is related to application of commercially pure titanium as a structural biomaterial for modern dental implants. Pure titanium is known for its excellent biocompatible properties and corrosi -
PhD report (October 2011) A. Mzyk
13/11/11
PhD thesis - theoretical considerations
The first month of PhD studies I mainly devoted to formulating preliminary dissertation topic, objectives and methodology.
I decided to focus on multiscale surface functionalization of biomaterials for contact with blood in order to mini -
Pawel Czaja
10/11/11
Leaves have turned golden and yellow, the weather is getting cold by the day and I have embraced on a new project. Working away at my new desk doing literature search and shopping for chemical ingredients.
In the begging there is always chaos and the unknown looms blurry in the far distance bu -
October 2011 - the first month of my PhD studies
08/11/11
My advanture with PhD studies has begun. In October, that is, first month of my PhD studies I have done literature research. I have read a lot of papers related to grain boundaries concerning diffrent methods of boundary parametrizations, techniques of representing misorientations, tools for recogni -
PhD report (October 2011) K. Stan
08/11/11
Main studies carried out during October:
- participation in workshop on 6th and 7th of October organized by Warsaw University of Technology & Hitachi High-Technologies on Advanced Electron Microscopy Methods Applied to Investigations of Nanomaterials.
- microstructure obser -
M.Gajewska PhD report (October 2011)
08/11/11
In October (6-7th) I took part in a workshop on Advanced Electron Microscopy Methods Applied to Investigations of Nanomaterials organized by Warsaw University of Technology & Hitachi High-Technologies. I participated in a series of lectures devoted to scanning transmission electron microscopy ( -
PhD report (October) K. Kubok
07/11/11
My research in October:
During the first month of my PhD studies at the Institute of Metallurgy and Material Polish Academy of Sciences I have made an literature review concerning biodegradable magnesium alloys for biomedical applications. I focused my attention especially on problems con -
October, H.Kazimierczak
07/11/11
In october I was continuing the study of stability of homogeneous citrate solutions with various concentrations of sodium citrate, sodum molybdate , zinc sulphate and tin sulpate and the study of electrochemical properties of citrate complexes presented in examinated solutions by cyclic voltammetry -
PhD report (October 2011) J.Poplewska
04/11/11
My Research:
- Samples preparation of AA1050 alloy to study the microstructure - grinding, diamond polishing pastes and electrolytic etching with reagent A2.
- Obtaining orientation maps of the samples of aluminum alloy in the initial state (after rolling, but before ECAP) with sc -
October 2011
02/11/11
This month, due to failure of the microscope, I continued reading literature. Additionally, a scientific cooperation between IMIM and the Foundry Research Institute was established. We are going to conduct some joint experiments. As a part of the project, a first series of samples was recieved from
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experimental methods for determination of liquid metallic system (MTrybula)
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October
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primary investigation of liquid systems (MTrybula)
31/10/11
In October was done:
Oral presentation of master thesis results. The aim of the thesis was to investigate the changes in bond length and order, depending on molecule size and bond location in the chains of polyyne and cumulene. Using the ETS-NOCV method of Mitoraj , bonds in the centre of polyy -
October
29/10/11
I made the analysis phase AZ31 magnesium alloy samples with 1.5 micrometer layer of Cr and 1.6 micrometer CrAlN layer. Samples were examined using the technique of grazing incidence diffraction angles for fixed beam radius: 3, 5, 7.5, 10, 12.5 and 15 degrees to the sample surface. In addition, for c -
Conference report (6-7.10.2011) J.Poplewska
10/10/11
I attended in ‘Advanced Electron Microscopy Methods Applied to Investigations of Nanomaterials’ in 6-7.10.2011 r., organized by Warsaw University of Technology and Hitachi High-Technologies. During first day I precipitated in lectures:
- ‘Advanced sample preparation technique with the NB5 -
M.Gajewska PhD report (September 2011)
10/10/11
In September I concentrated on investigating a series of 7475 alloy samples sintered freely in different atmospheres (argon, nitrogen) and at different temperatures (540 - 640oC). Optical microscopy observations and scanning electron microscopy investigations were performed. The lowest pore content -
September, H.Kazimierczak
09/10/11
My research in september:
-Study of stability of homogeneous citrate solutions by UV-Vis spectroscopy method, in the following solutions:
1) 0,25 M Na3HCit; pH=5;
2) 0,65 M Na3HCit; pH=5;
3) 0,65 M Na3HCit; 0,02 M Na2MoO4; pH=5;
4) 0,25 M Na3HCit; 0,02 M Na2MoO4; pH= -
PhD report (September) J.Poplewska
05/10/11
Research in September:
- preparation of samples of AA1050 alloy to observations with the high resolution scanning electron microscopy equipped with the local orientation measurements facility - grinding, polishing;
- preparation of orientation maps of aluminum alloy after ECAP -
PhD report (September 2011) K. Stan
05/10/11
Main studies carried out during September:
- preparation of thin foils by electropolishing from ribbons samples with vanadium, molybdenum, titanium, zirconium and chromium addition for observation with Transmission Electron Microscopy
- microstructure observation of melt-spun r -
September 2011
04/10/11
Whole month was spent on reading scientific literature about my topic. I was focused on the information about morfology and energies of grain boundaries in polycrystalline samples. -
Conference report (SIM 2011) J.Poplewska
03/10/11
In 27-30.09.2011 in Krynica I attended in 39th School in Materials Science.
I presented the presentation (based on the article) during session A (non-ferrous metal alloys).
Below the abstract of mine article:
STRUCTURAL CHANGES IN RECRYSTALLIZATION
OF AA1050 ALUMINIUM A
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primary investigation of liquid systems (MTrybula)
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September
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PhD report (August 2011) H.Kazimierczak
05/09/11
In August 2011 I continue the study of stability of homogeneous Zn(II)-Sn(II)-Mo(VI) citrate solutions and the study of electrochemical properties of citrate complexes presented in examinated solutions by cyclic voltammetry method. I conducted research in different hydrodynamic conditions, in the fo -
PhD report (August 2011) M. Gajewska
05/09/11
My research in August:
I used nano-AlN powder to produce third series of composites with 7475 aluminium alloy matrix. As previously, the composites were produced through powder-metallurgy processing. Pre-alloyed 7475 aluminium powders were mixed with ceramic particles and milled in a hig -
PhD report (August 2011) J.Poplewska
05/09/11
Research in August:
- preparing samples of AA1050 alloy to observations in the scanning electron microscope (EBSD)- grinding, polishing;
- preparing orientation maps of samples of the aluminum alloy after ECAP and recrystallization (in different temperatures and constant time = 1h);< -
August 2011
02/09/11
Most of the month was spend on holidays, however I am not going to describe it in details here. The rest of August I was reading scientific articles. It is quite quiet in the institute during holidays season so it is easier to focus on reading and learning. -
PhD report (August 2011) K. Stan
02/09/11
Main studies carried out during August:
- preparation of ribbons samples with vanadium, molybdenum, titanium and chromium addition for observation with Scanning Electron Microscopy by embedding in resin, polishing, sputtering with thin carbon layer. The best results from microscopy invest
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PhD report (August 2011) H.Kazimierczak
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August
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PhD report (July 2011) K. Stan
05/08/11
Main studies carried out during July:
- preparation of ribbons with zirconium addition for observation with Scanning Electron Microscopy by embedding in resin, polishing, sputtering with thin carbon layer. As a result of microscopy investigation inhomogeneous structure of obtained ribbons -
PhD report (July 2011) Marta Gajewska
05/08/11
My research in July:
Investigation of samples of 7475 alloy powder sintered in argon or nitrogen atmosphere at different temperatures (600 deg.C, 620 deg.C, 630 deg.C, 640 deg.C, 650 deg.C were used for argon atmosphere and 540 deg.C, 570 deg.C, 590 deg.C for nitrogen atmosphere).
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PhD report (July 2011) H.Kazimierczak
05/08/11
In july I mainly focused on studying the Electrochemical Impedance Spectroscopy (EIS). EIS is a method of characterizing electrochemical systems. This technique measures the impedance of a system over a range of frequencies, and therefore the frequency response of the system, including the energy s
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PhD report (July 2011) K. Stan
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July
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June 2011
07/07/11
In June I was continuing 3D-EBSD measurements on the severely deformed aluminum alloy from previous month. Additionally, an attempt to investigate a PLZT ceramic sample was made. These ceramics can be interesting because of the ferromagnetic effect occurring in them. This effect is connected with ro -
PhD report (June 2011) K. Stan
07/07/11
Main studies carried out during June:
- Investigation of crystallographic orientation relationship between matrix and quasicrystalline phase in Al-Mn-Fe melt-spun ribbon, as a result relation i5<001>α was observed in the 5-fold diffraction pattern, further investigation of -
PhD report (June 2011) M. Gajewska
07/07/11
Conference:
In June I took part in “The XIVth International Conference on Electron Microscopy” (Wisla, June 26-30). For this occasion I presented some results of my research carried out during PhD studies in a form of a poster entitled “TEM investigation of metal/ceramic interfaces in AA7 -
PhD report (June 2011) H.Kazimierczak
04/07/11
In June 2011 I continued the study of hydrogen release on different surfaces from citrate solutions. Surface-limited kinetics of hydrogen release were derived for arbitrary surface coverage (alloy layers: Zn30%-Sn70%, Zn50%-Sn50%, Zn70%-Sn30%). The experiments were carried out and controlled by mea -
PhD report (June 2011) J.Poplewska
04/07/11
1. Attending in seminars:
- M.Sc. Eng. Lukasz Rogal: „Technologia tiksoformowania wybranych stopow zelaza i aluminium w aspekcie ich struktury i wlasciwosci”;
- M.Sc. Eng. Michal Spisak: „Nanoskalowa funkcjonalizacja powierzchni materialow porowatych pod zasiedlanie komorkowe”;
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June 2011
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June
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PhD report (May 2011) Marta Gajewska
07/06/11
My research in may:
I made a literature review on sintering of aluminium alloys in different atmospheres. The effectiveness of the sintering atmosphere of most of the aluminum alloys decreases in the order: nitrogen > vacuum >argon > nitrogen+hydrogen = argon+hydrogen. This indic -
PhD report (May 2011) K. Stan
07/06/11
Main studies carried out during May:
- Preparation of thin foils from Al91Mn7Fe2 ingot and melt-spun ribbons for further investigation. (The Tenupol-5 double jet electropolisher was used)
- Microscopic observation:
• Transmission Electron Microscopy
- Observation of quasi -
May 2011
07/06/11
In May I took part in the "12th European Workshop on Modern Development and Applications in Microbeam Analysis" which was held in Angers, France. I presented a poster there, entitled “3D-EBDS investigation of Ni-Mo protective coatings”. An abstract of the poster contribution is given below -
PhD report (May 2011) J.Poplewska
06/06/11
1. Attending in seminars:
- M.Sc. Eng. Sylwia Pawlak: 'The characteristics of stress-textured areas of heterogeneous structure in selected materials and construction elements';
- M.Sc. Eng. Tomasz Kruk: 'Ultra-thin multilayer polymer films as multifunctional coatings a -
PhD report (May 2011) H.Kazimierczak
06/06/11
In May 2011 I continue the study of stability of homogeneous Zn(II)-Sn(II)-Mo(VI) citrate solutions and the study of electrochemical properties of citrate complexes presented in examinated solutions.
The electrochemical behavior of citrate complexes was investigated by cyclic voltammetry metho
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PhD report (May 2011) Marta Gajewska
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May
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PhD report (April 2011) Katarzyna Stan
09/05/11
Main studies carried out during April:
- Microhardness measurements of the Al91Mn7Fe2 ingot. Obtained values were lower comparing to microhardness of melt-spun ribbons prepared from this ingot.
- Further investigations of icosahedral phase decomposition during thermal treatment usin -
PhD report (April 2011) Marta Gajewska
09/05/11
In april I took part in the 15th Seminar „COMPOSITES 2011 - Theory and practice” (Spala, 27-29 of April 2011). I gave a presentation there entitled “Microstructure and properties of 7475 aluminium alloy matrix nano-composites with 10-20% Al2O3 or AlN additions”.
I am also a co-author of -
April 2011
09/05/11
At the beginning of this month I went to an RMS meeting in Duesseldorf. It was about electron backscatter diffraction (EBSD). I have learned a few interesting things and found some new ideas during that conference. After coming back I faced problems the FEG in the microscope ending its life. The tim -
PhD report (April 2011) H.Kazimierczak
06/05/11
In April 2011 I attended in the following seminars:
1.04.2011
- M.Sc. Eng. Maciej Szczerba in public defense of the dissertation: “Structure and magnetic properties of single crystal alloys”;
- Associate Professor Jerzy Morgiel: “Development, characterization and properties of compo -
PhD report (April 2011) J.Poplewska
06/05/11
1. Attending in seminars:
- M.Sc. Eng. Michal Trebala: 'The migration of potassium in potassium ferrite and its application to the surface optimization of catalytic materials';
- Prof. Janice M Barton, Prof. Ole Thybo Thomsen: ‘Nonlinear Thermomechanical Behaviour of Polimer Foam
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PhD report (April 2011) Katarzyna Stan
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April
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PhD report (March 2011) Marta Gajewska
07/04/11
My research:
Composite powders - 7475 aluminium alloy powder with 10 wt.% and 20 wt.% addition of aluminum nitride powder subjected to high energy ball milling - were compacted in a VEB 40 hydraulic uniaxial press in a mould placed in a vacuum and heated using a high frequency generato -
PhD report (March 2011) J.Poplewska
07/04/11
1. Attending in seminars:
- M. Sc. Eng. Piotr Bobrowski: ‘Investigations on the catalytic Au/TiO2 modelsystem’
- M. Sc. Eng Rafal Abram: ‘Atomistic simulations of the process of phase separation in the Fe-Cr system’;
- M. Sc. Eng Artur Kudyba: ‘Influence of technological factors on -
PhD report (March 2011)
07/04/11
Main studies carried out during March:
- Microhardness measurements of the melt spun ribbons. As a result large scatter of data was obtained due to inhomogeneous microstructure of the ribbons.
- SEM imaging of the melt spun ribbons cross-section confirmed change in microstructure -
PhD report (March 2011) H.Kazimierczak
07/04/11
In March 2011 I begun the study of hydrogen release on different surfaces from citrate solutions. Surface-limited kinetics of hydrogen release are derived for arbitrary surface coverage (Fe, Zn,Sn).
For this purpose, first, it was necessary to prepare the surface of the samples for furt -
PhD report (March 2011) Grazyna Kulesza
06/04/11
Participation in seminars IMMS PAS:
-Lecture M. Sc. Eng. Piotr Bobrowski: ‘Investigations on the catalytic Au/TiO2 modelsystem’ (03/04/2011)
-Lecture M. Sc. Eng Rafal Abram: ‘Atomistic simulations of the process of phase separation in the Fe-Cr system’ (11/03/2011)
Participation -
PhD report, Piotr Bobrowski
04/04/11
In march 2011 I was preparing for a seminar during which I was supposed to present results of my masters thesis and tell something about my plans for preparing PhD thesis. In my MSc work I was investigating photocatalytic activity of titanium dioxide with gold nanoparticles deposited on its surface.
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PhD report (March 2011) Marta Gajewska
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December
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2010
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December
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Temat pracy doktorskiej
17/12/10
The influence of zirconium and scandium on microstructural and textural changes of severely deformed aluminum alloys -
Temat pracy doktorskiej
03/12/10
Aluminium base alloys strengthened by quasicrystalline particles -
Temat pracy doktorskiej
01/12/10
Influence of the acid and alkaline texturization processes on basic opto-electronics parameters of the silicon solar cells
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Temat pracy doktorskiej
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December