Strain Hardening Modeling of High-strength Stainless Steel Tube

被引：0

作者：

Lu, R. D. ^{[1
]}

Yang, H. ^{[1
]}

Li, H. ^{[1
]}

Wang, Z. K. ^{[1
]}

Zhan, M. ^{[1
]}

Tian, Y. L. ^{[1
]}

机构：

[1] NW Polytech Univ, Sch Mat Sci, State Key Lab Solidificat Proc, Xian 710072, Peoples R China

来源：

ADVANCED MATERIALS AND PROCESSES, PTS 1-3 | 2011年 / 311-313卷

关键词：

High-strength stainless steel tube; Uniaxial tensile test; Strain hardening curve; Piecewise function fitting; Numerical simulation;

D O I：

10.4028/www.scientific.net/AMR.311-313.2014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

By the uniaxial tensile tests of both the arc and tube section samples, the strain hardening curves of 21-6-9 high-strength stainless steel tube(HSST) are obtained. Considering that the uniform plastic deformation stage of the curve is short and the flow stress in large strain area is unknown for this tube, different strain hardening models have been established based on single and piecewise functions, respectively. By comparing the experimental results and the numerical ones in terms of load-displacement curves, it shows the constitutive model achieved by three Swift fitting functions can better characterize the strain hardening response of the 21-6-9 HSST in large strain region.

引用

页码：2014 / 2019

页数：6

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