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Atomic-resolution investigations on formation and evolution of symmetric tilt grain boundaries near the {10(1)over-bar2} twin orientation in a Mg alloy
Su, Huhu; Zhou, Xinzhe; Zheng, Shijian; Wu, Di; Chen, Rongshi; Ye, Hengqiang; Yang, Zhiqing
2020-10-01
Source PublicationSCRIPTA MATERIALIA
Volume187Pages:113-118
AbstractFormation and evolution of symmetric tilt grain-boundaries (STGBs) near the {10 (1) over bar2} twin orientation in a Mg alloy were studied with atomic-resolution. The STGBs could be formed by reactions of {10 (1) over bar2} twin boundaries with 60 degrees basal dislocations (referred to as < a(60)>) coming respectively from the twin and matrix, with each pair of < a(60)> forming a grain-boundary dislocation (GBD). Incident < a(60)> dislocations reacted with GBDs, consequently activating emission of twinning dislocations which resulted in migration of the STGBs. Interestingly, STGBs could be transformed into {10 (1) over bar2} twin boundaries by either grainboundary sliding or reacting with an array of basal < a(60)> dislocations. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
DOI10.1016/j.scriptamat.2020.06.005
WOS IDWOS:000551272900021
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82492
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Su, Huhu,Zhou, Xinzhe,Zheng, Shijian,et al. Atomic-resolution investigations on formation and evolution of symmetric tilt grain boundaries near the {10(1)over-bar2} twin orientation in a Mg alloy[J]. SCRIPTA MATERIALIA,2020,187:113-118.
APA Su, Huhu.,Zhou, Xinzhe.,Zheng, Shijian.,Wu, Di.,Chen, Rongshi.,...&Yang, Zhiqing.(2020).Atomic-resolution investigations on formation and evolution of symmetric tilt grain boundaries near the {10(1)over-bar2} twin orientation in a Mg alloy.SCRIPTA MATERIALIA,187,113-118.
MLA Su, Huhu,et al."Atomic-resolution investigations on formation and evolution of symmetric tilt grain boundaries near the {10(1)over-bar2} twin orientation in a Mg alloy".SCRIPTA MATERIALIA 187(2020):113-118.
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