Formability of Annealed Ni-Ti Shape Memory Alloy Sheet

被引：2

作者：

Fann, K. J. ^{[1
]}

Su, J. Y. ^{[1
]}

Chang, C. H. ^{[1
]}

机构：

[1] Natl Chung Hsing Univ, Dept Mech Engn, Taichung 40227, Taiwan

来源：

2017 5TH INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING, MATERIALS SCIENCE AND CIVIL ENGINEERING | 2018年 / 324卷

关键词：

SUPERELASTICITY;

D O I：

10.1088/1757-899X/324/1/012038

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Ni-Ti shape memory alloy has two specific properties, superelasiticity and shape memory effect, and thus is widely applied in diverse industries. To extend its application, this study attempts to investigate the strength and cold formability of its sheet blank, which is annealed at various temperatures, by hardness test and by Erichsen-like cupping test. As a result, the higher the annealing temperature, the lower the hardness, the lower the maximum punch load as the sheet blank fractured, and the lower the Erichsen-like index or the lower the formability. In general, the Ni-Ti sheet after annealing has an Erichsen-like index between 8 mm and 9 mm. This study has also confirmed via DSC that the Ni-Ti shape memory alloy possesses the austenitic phase and shows the superelasticity at room temperature.

引用

页数：5

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