Some aspects of the properties of NiTi shape memory alloy

被引:148
作者
Liu, Y
VanHumbeeck, J
Stalmans, R
Delaey, L
机构
[1] Dept. of Metall. and Mat. Eng., Katholieke Universiteit Leuven, 3001 Heverlee
关键词
shape memory alloy; martensite phase; internal friction; reorientation stress; NiTi;
D O I
10.1016/S0925-8388(96)02572-8
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The damping capacity, tensile behaviour and the transformation characteristics of a NiTi shape memory alloy rolled sheet as a function of annealing conditions have been studied. Results show that both the martensite phase damping capacity and the stress for martensite phase reorientation are a function of annealing temperature. Attention has also been paid to the correlation between the damping capacity of the shape memory alloy and its other properties. Experimental results show that a higher damping of the martensite phase generally corresponds to a lower reorientation stress in the stress-strain curve, suggesting that the martensite phase damping capacity and the stress for martensite phase reorientation are interrelated. This result may provide the possibility of predicting one shape memory property from others in the same alloy.
引用
收藏
页码:115 / 121
页数:7
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