The use of the fracture initiation parameter F1 to predict microcrack nucleation at grain boundaries in Mg-2%Gd alloy
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- 作者：Conghui Liu ; Li Jin ; J_jinli@sjtu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Jie Dong ; Fenghua Wang
- 关键词：Magnesium alloys ; Grain boundaries ; Fracture ; Fracture initiation parameter F1
- 刊名：Materials & Design
- 出版年：2016
- 出版时间：5 December 2016
- 年：2016
- 卷：111
- 期：Complete
- 页码：369-374
- 全文大小：1714 K
文摘
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The fracture initiation parameter F1 was used to evaluate the probability of the grain boundary microcrack nucleation
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Grain boundaries with larger F1 factor are more likely to cause microcrack nucleation
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Extension twinning in the larger grain sized Mg-2%Gd alloy contributed to ductility improvement