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Study of superelastic performance on novel (Ti-Zr)-based alloy: Influence of thermal treatment time
oleh: Gao J.J., Castany P., Laillé D., Thibon I., Gloriant T.
| Format: | Article |
|---|---|
| Diterbitkan: | EDP Sciences 2020-01-01 |
Deskripsi
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.