Mechanical Properties of Thermomechanically-Processed Metastable Beta Ti-Nb-Zr Alloys for Biomedical Applications

Vladimir Brailovski; Sergey Prokoshkin; Karine Inaekyan; Sergey Dubinskiy; Maxime Gauthier

doi:10.4028/www.scientific.net/MSF.706-709.455

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HomeMaterials Science ForumMaterials Science Forum Vols. 706-709Mechanical Properties of...

Mechanical Properties of Thermomechanically-Processed Metastable Beta Ti-Nb-Zr Alloys for Biomedical Applications

Abstract:

Metastable beta-titanium alloys combine exceptionally low Young's modulus and high biocompatibility, thus attracting special interest in the prospect of their application as biomedical implant material. In this work, Ti-21.8Nb-6Zr (at.%) ingots were manufactured by vacuum argon melting followed by hot isothermal pressing. The obtained ingots were thermomechanically processed using the following TMP sequence: a) cold rolling (CR) from e=0.37 to 2 of the logarithmic thickness reduction; and b) post-deformation annealing (PDA) of between 450 and 700°C (10’…5 h for 600°C and 1 h for other temperatures). The influence of the TMP on the alloy’s mechanical properties under static and cyclic loading was studied.

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Periodical:

Materials Science Forum (Volumes 706-709)

Pages:

455-460

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.706-709.455

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Online since:

January 2012

Authors:

Vladimir Brailovski, Sergey Prokoshkin, Karine Inaekyan, Sergey Dubinskiy, Maxime Gauthier

Keywords:

Biomedical Applications, Shape Memory Alloy (SMA), Thermomechanical Processing (TMP), Titanium Alloy

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