Experimental and numerical investigation on the Bauschinger effect during cold forming of TC4 ELI alloy

被引：0

作者：

Xiangyu Yu

Hongtao Ji

Hao Zhang

Dongkai Xu

机构：

[1] Taihu Laboratory of Deepsea Technological Science,

[2] China Ship Scientific Research Center,undefined

[3] Research Institute of Baoshan Iron & Steel Co.,undefined

[4] LTD,undefined

[5] State Key Laboratory of Development and Application Technology of Automotive Steel (Bao Steel),undefined

来源：

International Journal of Material Forming | 2022年 / 15卷

关键词：

Bauschinger effect; TC4 ELI alloy; Yoshida-Uemori model; Cyclic loading;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The Bauschinger effect is common phenomenon during cold forming of metal materials including titanium alloy. It is essential to calibrate and describe the Bauschinger effect correctly for titanium sheet forming process simulation. In this paper, the Bauschinger effect has been investigated at room temperature on TC4 ELI alloy. Cyclic tension–compression tests under different strain ranges are performed to obtain the cyclic stress–strain curves of TC4 ELI. Several characteristics based on the curves are calculated to compare the magnitude of the Bauschinger effect of TC4 ELI. Isotropic hardening model, Chaboche hardening model and Yoshida-Uemori (Y-U) hardening model are employed to simulate the cyclic tension–compression response. Based on the comparison of effective stress vs. strain curves under reverse deformations, Y-U hardening model suits the hardening behavior the best.

引用

共 45 条

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