Wednesday, 4 June, 2014, 14:07
Posted by Jakub Kawalko
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 something to happen (from DSC results) quickly cool down the sample, measure EBSD map and then repeat for the next temperature. We did as we planned and even with some problems with driting we managed to obtained some decent results. It seems however that this kind of experiment with titanium is strongly affected by surface oxidation which means big problem for diffraction image quality. On the other hand it seems possible that contamination mark on sample surface, created during preceding EBSD scan can have some inhibiting qualities when it comes to oxidation during sample heating.Posted by Jakub Kawalko
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