Wire drawing conducted in the R-phase of TiNi shape memory alloys

被引:23
作者
Wu, SK [1 ]
Lin, HC
Yen, YC
Chen, JC
机构
[1] Natl Taiwan Univ, Inst Mat Sci & Engn, Taipei 106, Taiwan
[2] Feng Chia Univ, Dept Mat Sci, Taichung 407, Taiwan
关键词
TiNi shape memory alloys; R-phase; wire drawing; stress-induced martensite in R-phase; transformation temperature and heat; drawing stress;
D O I
10.1016/S0167-577X(00)00163-4
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The wire drawing conducted in the R-phase of TiNi shape memory alloys shows that the drawing stress in the R-phase is lower than that in the parent B2, phase and B19' martensite. This feature is ascribed to the R-phase having lower shear modulus. The martensite can be stress-induced by cold drawing in the R-phase. The cold drawing and subsequent annealing conducted in the R-phase can significantly affect the transformation temperatures and transformation heats of the drawn wires. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:175 / 180
页数:6
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