Investigation into constitutive and fracture modeling of hot stamped parts with multiphase

被引：0
|
作者：
Wang, Zijian [1 ]
Xiang, Chongchen [1 ]
Zhang, Yisheng [2 ]
机构：
[1] Soochow Univ, Sch Iron & Steel, Suzhou, Jiangsu, Peoples R China
[2] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan, Hubei, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2022年 / 29卷 / 23期
基金：
中国国家自然科学基金;
关键词：
Constitutive model; fracture model; liner criterion; parameters optimization; representative volume element (RVD); tailored properties;
D O I：
10.1080/15376494.2021.1898704
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The constitutive and fracture models of single-phase structure have been obtained by combining simulation and experiment. Mechanical properties of multiphase are predicted using the liner-mixture rule and representative volume element (RVE) method. The results show that the stress calculated by the linear criterion is always higher and the curve obtained by the RVE model matches better with the experimental value. The fracture strain predicted by the linear criterion is always higher than the predicted value of the RVE model and experiment, and the prediction accuracy of the RVE model is higher than that of the linear criterion in general.
引用
收藏
页码：3408 / 3420
页数：13
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