Effect of Sn and Zr content on superelastic properties of Ti-Mo-Sn-Zr biomedical alloys

Effect of Sn and Zr content on superelastic properties of Ti-Mo-Sn-Zr biomedical alloys

The effects of Sn and Zr content on the shape memory and superelastic properties of Ti-3Mo-(1−8)Sn-(0−10)Zr alloys were investigated over a wide alloy composition range. Ti-3Mo-5.5Sn-9Zr, Ti-3Mo-6Sn-7Zr, Ti-3Mo-6.5Sn-5Zr, and Ti-3Mo-7Sn-3Zr alloys exhibited superelasticity, and large shape recovery...

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Veröffentlicht in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2017-09, Vol.704, p.72-76
Hauptverfasser: Endoh, Kazuki, Tahara, Masaki, Inamura, Tomonari, Hosoda, Hideki
Format: Artikel
Sprache:eng
Schlagworte:
Alloys
Biocompatibility
Martensitic transformations
Molybdenum base alloys
Shape memory
Shape memory alloys
Stresses
Superelasticity
Surgical implants
Tin
Tin base alloys
Titanium alloys
Titanium base alloys
Zirconium
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Zusammenfassung:The effects of Sn and Zr content on the shape memory and superelastic properties of Ti-3Mo-(1−8)Sn-(0−10)Zr alloys were investigated over a wide alloy composition range. Ti-3Mo-5.5Sn-9Zr, Ti-3Mo-6Sn-7Zr, Ti-3Mo-6.5Sn-5Zr, and Ti-3Mo-7Sn-3Zr alloys exhibited superelasticity, and large shape recovery strains of over 4% were obtained. The critical stress for slip of the Ti-3Mo-6Sn-5Zr alloy was evaluated as 652MPa. Moreover, the stress hysteresis between the stress for inducing the martensitic transformation and for the reverse martensitic transformation decreased with increasing Sn content or decreasing Zr content.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2017.07.097