MATEC Web Conf.
Volume 321, 2020The 14th World Conference on Titanium (Ti 2019)
|Number of page(s)||6|
|Section||Biomedical and Healthcare Applications|
|Published online||12 October 2020|
Study of superelastic performance on novel (Ti-Zr)-based alloy: Influence of thermal treatment time
Univ Rennes, INSA Rennes, CNRS, ISCR UMR 6226, 35000 Rennes
In this study, the superelastic performance of a novel metastable β Ti-20Zr-3Mo-3Sn alloy (at.%) displaying stress-induced α” martensitic (SIM) transformation is investigated by resistivity, cyclic tensile tests and electron back-scattered diffraction (EBSD) for three different solution treatment durations: 5 min, 30 min and 60 min at 700°C. EBSD observations reveal that the Ti-20Zr-3Mo-3Sn alloy presents different recrystallization texture in the three conditions while keeping the optimal <110>β direction along the rolling direction. All the samples displayed high recovery strain which is more than 3.0%. However, the shortest heat treatment time allows to stabilize the superelastic behavior at this maximum value for a wide range of applied strain.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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