Thermomechanical Treatment of Ti-Nb Solid Solution Based SMA

Abstract:

This Chapter is focused on the Ti-Nb-based shape memory alloys for biomedical applications; the principal objective being to understand interrelations between structure and transformation features, static and dynamic functional properties, and conditions of their thermomechanical treatment. This Chapter includes also preliminary study of the surface characteristics of Ti-Nb-based alloys, including their elemental and phase compositions, tribological characteristics, wettability, electrochemical behaviour, and in vitro biocompatibility. The results obtained make it possible to conclude that Ti-Nb-based shape memory alloys represent one of the strongest candidates for a new generation of load-bearing orthopaedic or dental implants with improved biocompatibility, since they combine high biomechanical compatibility of Ti-Ni shape memory alloys with excellent biochemical compatibility of pure titanium.

• Periodical: Materials Science Foundations (Volumes 81-82)
• Pages: 342-405
• DOI: https://doi.org/10.4028/www.scientific.net/MSFo.81-82.342
• Online since: March 2015
• Authors: Vladimir Brailovski, Sergey Prokoshkin, Karine Inaekyan, Mikhail Petrzhik, Mikhail Filonov, Yuriy Pustov, Sergey Dubinskiy, Yulia S. Zhukova, Andrey Korotitskiy, Vadim Sheremetyev
• Keywords: Biocompatible Materials, Corrosion Resistance, Crystal Structure, Electro-Chemical Properties, Functional Properties, In Situ Studies, In Vitro Tests, Martensitic Transformation (MT), Nanostructure, Shape Memory Alloy (SMA), Structure, Superelasticity, Surface Properties, Thermomechanical Treatment, Ti-Nb-Based Alloys, Titanium Alloy

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