Mechanical properties of thermomechanically-processed metastable beta Ti-Nb-Zr alloys for biomedical applications

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Proceedings titleMaterials science forum
ConferenceTHERMEC 2011; International conference on processing and manufacturing of advanced materials processing, fabrication, properties, applications, August 1-5, 2011, Quebec City, Canada, August 1-5, 2011, Quebec City, Canada
Pages455460; # of pages: 6
Subjectshape memory alloys; titanium alloys; thermomechanical processing (TMP); biomedical applications
AbstractMetastable 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. percent) 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 700oC (10’…5 h for 600oC and 1 h for other temperatures). The influence of the TMP on the alloy’s mechanical properties under static and cyclic loading was studied.
Publication date
AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NRC number54386
NPARC number19262893
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Record identifier8c7836f8-c4ba-4210-838a-4c5c783486d8
Record created2012-01-13
Record modified2016-05-09
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