Shape-instability life scatter prediction of 40Cr steel: Damage-coupled crystal plastic probabilistic finite element method
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- 作者：Yuefeng Li ; yuefengli@hit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; lilu1001@163.com" class="auth_mail" title="E-mail the corresponding author ; Xudong Pan ; Guicheng Wu ; Guanglin Wang
- 关键词：A. Fatigue ; A. Microstructures ; B. Crystal plasticity ; B. Metallic material ; C. Finite elements
- 刊名：International Journal of Plasticity
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：79
- 期：Complete
- 页码：1-18
- 全文大小：3459 K
文摘
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We develop a damage-coupled crystal plastic probabilistic finite element method.
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We consider microstructure morphology and the material properties dispersion.
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We analyze the sensitivities of the control parameters in the method.
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We predict the shape instability life and life span.
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We negate the need for many measurements of the shape instability life.