Investigation of the forming limit strains at fracture of AA5086 sheets using an in-plane biaxial tensile test
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- 作者：X. Song xiao.song@insa-rennes.fr" class="auth_mail" title="E-mail the corresponding author ; L. Leotoing ; lionel.leotoing@insa-rennes.fr" class="auth_mail" title="E-mail the corresponding author ; D. Guines dominique.guines@insa-rennes.fr" class="auth_mail" title="E-mail the corresponding author ; E. Ragneau eric.ragneau@insa-rennes.fr" class="auth_mail" title="E-mail the corresponding author
- 关键词：In-plane biaxial tensile test ; Cruciform specimen ; Forming limit curve at fracture ; Ductile fracture criterion
- 刊名：Engineering Fracture Mechanics
- 出版年：2016
- 出版时间：September 2016
- 年：2016
- 卷：163
- 期：Complete
- 页码：130-140
- 全文大小：2505 K
文摘
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An in-plane biaxial tensile test is proposed to determine limit strains at fracture.
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Strain path is controlled by displacements in two directions of cruciform specimen.
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Comparison of numerical forming limit strains with three ductile fracture criteria.
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Critical damage values identified by experimental results under various strain paths.