A non-quadratic constitutive model under non-associated flow rule of sheet metals with anisotropic hardening: Modeling and experimental validation

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• 作者：Junying Min^a ; ^{junying.min@gmail.com} ; John E. Carsley^b ; Jianping Lin^c ; Yuanyuan Wen^c ; Bernd Kuhlenk&ouml ; tter^a
• 关键词：Yield function ; Anisotropic hardening ; Biaxial testing ; High strength steel
• 刊名：International Journal of Mechanical Sciences
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：119
• 期：Complete
• 页码：343-359
• 全文大小：2622 K
• 卷排序：119

文摘

A non-associated flow rule (non-AFR) model is developed. The yield and plastic potential functions in the non-AFR model are non-quadratic. The non-AFR model capably describes anisotropic hardening and variation of rr-values. The non-AFR model is validated and compared with other models.