Superelastic deformation properties of TiNi shape memory alloy

被引：5
|
作者：
Pieczyska, E. [1 ]
Nowacki, W. [1 ]
Sakuragi, T. [2 ]
Tobushi, H. [2 ]
机构：
[1] Polish Acad Sci, Inst Fundamental Technol Res, Swietokrzyska 21, PL-00049 Warsaw, Poland
[2] Aichi Inst Technol, Dept Mech Engn, Yakusa, Toyota 4700392, Japan
来源：
ENGINEERING PLASTICITY AND ITS APPLICATIONS FROM NANOSCALE TO MACROSCALE, PTS 1 AND 2 | 2007年 / 340-341卷
基金：
日本学术振兴会;
关键词：
shape memory alloy; superelasticity; energy storage; energy dissipation; damping; strain rate; titanium-nickel alloy; environment;
D O I：
10.4028/www.scientific.net/KEM.340-341.1211
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The characteristics of energy storage and dissipation in TiNi shape memory alloys were investigated experimentally based on the superelastic properties under various thermomechanical loading conditions. The results obtained can be summarized as follows. (1) The recoverable strain energy increases in proportion to the rise in temperature, but the dissipated work per unit volume depends slightly on temperature. In the case of low strain rates, the recoverable strain energy and dissipated work do not depend on both the strain rate and the temperature-control led condition. (2) In the case of high strain rates, while the recoverable strain energy decreases and the dissipated work increases in proportion to the rise in strain rate under the temperature-control led condition, the recoverable strain energy increases and the dissipated work decreases under the temperature-uncontrolled condition.
引用
收藏
页码：1211 / +
页数：2
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