How to plot a phase map #666
Replies: 4 comments 1 reply
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Hi Andrea!
Given these phase descriptions:
I don't think we can distinguish between these two phases using Hough indexing. This is because they have the same Laue group, m-3m, and thus the same interplanar angles between high-symmetry planes. See e.g. this application note from EDAX. There, they had to use energy dispersive X-ray spectroscopy to distinguish the nitride from ferrite. You may, on the other hand, be able to differentiate between the two based on dynamical simulations! I haven't seen simulations for Fe4N myself, but given the differing crystal structures (lattice parameters, the nitrogen atoms), it may be possible. Regarding your technical questions, >>> xmap
Phase Orientations Name Space group Point group Proper point group Color
1 5657 (48.4%) austenite None 432 432 tab:blue
2 6043 (51.6%) ferrite None 432 432 tab:orange
Properties: iq, dp
Scan unit: um You can then plot the map using CrystalMap.plot() >>> xmap.plot() I hope this helps! |
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Dear Håkon, Best, |
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Dear Håkon, I tried to use Kikuchipy for the same data, however, I am still far from getting similar results. The following is the code that I'm currently using.
Thank you in advance, |
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Dear Håkon, Best, Andrea |
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Dear all
I'm working with Kikuchipy with the aim of distinguish Fe4N from Ferrite, and I would like to use, in a second moment, the dictionary indexing refinement to do that. At the moment I'm stuck on how to plot a phase map after the indexing to see at least if two phases are somewhat distinguished. Is there also a method to print the percentage of indexed points for each phase?
Thanks in advance,
Andrea
The following is a test piece of code that I'm using (the reflectors part was taken from this forum).
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