Secondary twin variant selection in Mg alloy after a strain-path change

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• 作者：Zhang-Zhi Shi ^{ryansterne@163.com}
• 关键词：Magnesium alloys ; EBSD ; Twinning ; Strain path change
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：5 March 2017
• 年：2017
• 卷：696
• 期：Complete
• 页码：510-515
• 全文大小：1398 K
• 卷排序：696

文摘

{10-12}-{10-12} double extension twins form after a strain-path change. Statistical analysis reveals that 12.7% of the secondary extension twins correspond to low Schmid factor (SF) twin variants. These low SF twin variants are favored energetically through strain accommodation. Multi-level twinning shear transmission over grain boundary is characterized.