| Literature DB >> 25579891 |
Muhammad Farzik Ijaz1, Hee Young Kim2, Hideki Hosoda3, Shuichi Miyazaki4.
Abstract
A new class of Ti-50Zr base biomedical superelastic alloys was developed in this study. The (Ti-Zr)-Mo-Sn alloys exhibited a shape memory effect and superelastic property by adjusting Mo and Sn contents. The (Ti-Zr)-1.5Mo-3Sn alloy revealed the most stable superelasticity among (Ti-Zr)-(1-2)Mo-(2-4)Sn alloys. The superelastic recovery strain showed a strong dependence on heat treatment temperature after cold working in the (Ti-Zr)-1.5Mo-3Sn alloy. The superelastic recovery strain increased as the heat treatment temperature increased although the critical stress for slip decreased. The (Ti-Zr)-1.5Mo-3Sn alloy heat treated at 1073K exhibited excellent superelastic properties with a large recovery strain as large as 7% which is due to the strong {001}β<110>β recrystallization texture.Keywords: Biomaterial; Martensitic transformation; Recrystallization texture; Superelasticity; Ti alloy
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Year: 2014 PMID： 25579891 DOI： 10.1016/j.msec.2014.11.010
Source DB: PubMed Journal: Mater Sci Eng C Mater Biol Appl ISSN： 0928-4931 Impact factor: 7.328