Scientific blog
November 
Monday, 9 December, 2013, 01:16
Posted by Piotr Drzymala
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 vi vj neighborhood. Each node of the set of V has not yet assigned an average grain orientation and size (number of pixels of subsequent). The set E is formed from a set of V in the following way. Each grain vi from the set V is expanded by one pixel (up, down, left and right). Then takes into account the part of the common intersection of all the vertices understood as sets of items in a square matrix EBSD maps. Most of these grains will of course be decoupled, and where the information is collected intersect with a length of intersection, disorientation, borders positions in the matrix of the map.
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PhD report G. Kulesza (November'13) 
Saturday, 7 December, 2013, 12:44
Posted by Grazyna Kulesza
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.
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November K. Stan-Glowinska 
Friday, 6 December, 2013, 15:23
Posted by Katarzyna Stan
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) 
Friday, 6 December, 2013, 13:52
Posted by Krzysztof Glowinski
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 
Friday, 6 December, 2013, 11:10
Posted by Jakub Kawalko
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 of installation of new system.
After the stage is installed and sample is properly attached to heating plate, actual heating of sample is relatively straight forward. The numerical value of desired temperature is specified by operator in dedicated software, and system automatically chooses needed voltage that is applied to heating element. Also the temperature is stabilised automatically by system and software and cooling facilities. At current time it is not possible to choose a slope by which the sample is heated and temperature raises almost instantaneously, therefore it is recommended to increase temperature in at most 100 degree steps with beam switched off (in order to maintain proper vacuum level). During the training samples of deformed aluminium alloy have been investigated, which was good introduction to in-situ recrystallization as I plan to perform such experiments on KoBo deformed titanium.
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