Characterization of the Superelasticity and the Martensitic Transformation from Ti-Nb-(O,N) Biomedical Alloys

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Abstract:

In this paper, results concerning newly developed Ti-Nb based superelastic alloys containing interstitial O or N element are presented. These elements were added because of their strong influence on the alpha” martensitic transformation and also because of their solid-solution strengthening effect. Microstructures and mechanical behavior of the alloys were investigated by different methods and compared with a binary Ti-Nb alloy taken as reference. On the other hand, in-situ synchrotron X-ray diffraction analyses during tensile tests have been specifically performed to characterize precisely the stress-induced martensitic transformation in such alloys.

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Materials Science Forum (Volumes 783-786)

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1244-1249

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May 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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