Strain Hardening Modeling of High-Strength Stainless Steel Tube

Abstract:

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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.

Info:

Periodical:

Advanced Materials Research (Volumes 311-313)

Edited by:

Zhongning Guo

Pages:

2014-2019

DOI:

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

Citation:

R. D. Lu et al., "Strain Hardening Modeling of High-Strength Stainless Steel Tube", Advanced Materials Research, Vols. 311-313, pp. 2014-2019, 2011

Online since:

August 2011

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Price:

$35.00

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