Hello... friends, i have prepared some AlCuMn alloys and identified some Mn-rich phases. Please help what kind of these phase can be and how to interpret the diffraction pattern of these phases.
Thanks a lot in advance
Dear Soban,
To identify some types of precipitates by conventional TEM, it is often necessary to tilt to specific zone axes. To confirm from which direction you are observing the crystalline material, you will need to view the selected area diffraction (SAD) pattern or also called SAED. Based on the pattern observed in the SAD, you can identify if you are observing the sample from the desired direction.There are many online resources as well as articles that may be helpful for you.
You can check the following answers to a previous question:
https://www.researchgate.net/post/How_can_I_analyze_the_TEM_diffraction_pattern
Some articles, to name a few:
- Berg, LK, Acta Mater 49(17) (2001) 3443-3451
- Maloney, SK, Micron 32(8) (2001) 741-747
- Ringer, SP, Acta Mater 45(9) 1997 3731-3744
- Stiller, K, Mater Sci Eng A 270(1) (1999) 55-63
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