期刊
THERMEC 2011, PTS 1-4
卷 706-709, 期 -, 页码 455-+出版社
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/MSF.706-709.455
关键词
shape memory alloys; titanium alloys; thermomechanical processing (TMP); biomedical applications
资金
- Ministry of Economic Development of Quebec
- National Science and Engineering Research Council of Canada
- Ministry of Education and Science of the Russian Federation
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 degrees C (10' ... 5 h for 600 degrees 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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