In the X-ray diffraction, which peaks belong to the Ni4Ti3 precipitate and which ones belong to the Ni3Ti precipitate ?

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Mohammed M. Obeid

If you have the CIF files of Ni3Ti and Ni4Ti3, you can use Rietveld refinement to distinguish between the two phases. You need a good software with high quality data to proceed with such refinement. You can find the CIF files of these two phases using the following free database below. You can share your raw XRD pattern to let experts help you more.

materialsproject.org

www.crystallography.net/cod/

Ali Shabani

Dear Milad

You can use the following papers to get more information about these phases and their XRD patterns.

Article Influence of Aging on Microstructure, Martensitic Transforma...

Article An in situ Study of NiTi Powder Sintering Using Neutron Diffraction

Milad Badr

Thank you very much for your response, I have investigated the process further and concluded that in my sample, formation of Ni3Ti precipitate is not possible.