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Title: Deformation behavior of metastable β-type Ti-25Nb-2Mo-4Sn alloy for biomedical applications

The deformation behavior of metastable β-type Ti–25Nb–2Mo–4Sn (wt%) alloy subjected to different thermo-mechanical treatments was discussed by the combining results from transmission electron microscope, tensile test and in-situ synchrotron X-ray diffraction. Visible “double yielding” behavior, which is characterized by the presence of stress-plateau, was observed in the solution treated specimen. Upon a cold rolling treatment, the Ti–25Nb–2Mo–4Sn alloy performs nonlinear deformation because of the combined effects of elastic deformation and stress-induced α" martensitic transformation. After the subsequent annealing, the β phase is completely stabilized and no stress-induced martensitic transformation takes place on loading due to the inhibitory effect of grain boundaries and dislocations on martensitic transformation. As a result, the annealed specimen exhibits linear elastic deformation.
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Publication Date:
OSTI Identifier:
Resource Type:
Journal Article
Resource Relation:
Journal Name: J. Med. Behav. Biomed. Mat.; Journal Volume: 38; Journal Issue: 10, 2014
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Org:
Country of Publication:
United States