Constitutive relationship of 7075 aluminum alloy based on modified zerilli-Armstrong (M-ZA) model

被引：0
|
作者：
Ma, Z. [1 ]
Ji, H.C. [1 ]
Pei, W.C. [1 ]
Wang, S.F. [1 ]
Li, Y.G. [1 ]
机构：
[1] College of Mechanical Engineering, North China University of Science and Technology, Hebei, Tangshan, China
来源：
Metalurgija | 2021年 / 60卷
关键词：
Aluminum alloys - Isotherms - Stress-strain curves - Strain rate;
D O I：
暂无
中图分类号：
TG146.2+1 [铝]; TF821 [铝];
学科分类号：
摘要：
The Gleeble 3500 thermal simulation testing machine was used to perform isothermal tensile test on 7075 aluminum alloy at a deformation temperature of 300 450 °C and a strain rate of 0,01 1 s-1, and the true stress-strain curve of the alloy was obtained. Based on the true stress-strain data, the modified Zerilli-Armstrong (M-ZA) model was used to construct the constitutive model of the alloy, and the fitting accuracy of the model was analyzed. © 2021 Croatian Chemical Society. All rights reserved.
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页码：269 / 272
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