Combined Effect of Annealing Temperature and Pre-deformation on the Superelastic Behaviors of NiTi Shape Memory Alloys

被引：0

作者：

Kong, Xiangguang ^{[1
,2
,3
]}

Zhang, Jiaqi ^{[1
]}

Ding, Haimin ^{[1
,2
,3
]}

Liu, Qing ^{[1
]}

Zhou, Jiyu ^{[1
]}

Qi, Fugong ^{[1
]}

Wang, Pengjie ^{[1
]}

机构：

[1] North China Elect Power Univ, Sch Energy Power & Mech Engn, Baoding 071003, Peoples R China

[2] North China Elect Power Univ, Hebei Key Lab Elect Machinery Hlth Maintenance & F, Baoding 071003, Peoples R China

[3] North China Elect Power Univ, Hebei Engn Res Ctr Adv Mfg & Intelligent Operat &, Baoding 071003, Peoples R China

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2024年

基金：

中国国家自然科学基金;

关键词：

annealing; NiTi; shape memory alloy; stress hysteresis; superelastic; INDUCED MARTENSITIC-TRANSFORMATION; TRANSITION;

D O I：

10.1007/s11665-024-10077-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The combined effect of annealing temperature and pre-deformation on the superelastic behaviors of NiTi shape memory alloy wires was investigated by testing two types of samples with 72 and 35% area reduction. It is found that the annealed samples with 72% area reduction exhibited larger martensitic transformation stress, and the annealed samples with 35% area reduction exhibited superior superelastic cycle stability. The stress hysteresis of martensitic transformation for both two types of samples decreased with decreasing annealing temperature. In addition, pre-deformation enhanced the superelastic cycle stability and increased the stress hysteresis of the NiTi wires with 72% area reduction, but it had little effect on the stress hysteresis of the NiTi wires with 35% area reduction.

引用

页数：10

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