Thermal-induced martensitic transformation of NiTi shape memory alloy promoted by pulse current

被引：0
|
作者：
Ge, Xiqing [1 ]
Liu, Shan [1 ]
Wang, Guangchun [1 ]
机构：
[1] Shandong Univ, Minist Educ, Key Lab Liquid Solid Structural Evolut & Processin, Jinan 250061, Shandong, Peoples R China
来源：
MATERIALS TODAY COMMUNICATIONS | 2022年 / 32卷
关键词：
Shape memory materials; Pulse current; Microstructure; Martensitic transformation;
D O I：
10.1016/j.mtcomm.2022.104028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of transient and high-energy pulse current (THEPC) on the phase transformation behavior of the Ti -50.8 at.% Ni shape memory alloy was investigated in this study. The results show that the THEPC increases the start temperature of martensitic transformation, which indicates the facilitation of the thermal-induced martensitic transformation. Meanwhile, the transient and high-energy effect of the pulse current changes the phase transformation sequence of NiTi alloy during cooling, making it from one-stage phase transformation of A-*M to two-stage of A-*M1 and A-*M2.
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页数：4
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