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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, Huhu1; Zhou, Xinzhe1; Zheng, Shijian2; Wu, Di3; Chen, Rongshi3; Ye, Hengqiang1,4; Yang, Zhiqing1
Corresponding AuthorZheng, Shijian(sjzheng@hebut.edu.cn) ; Yang, Zhiqing(yangzq@imr.ac.cn)
2020-10-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
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.
KeywordMg alloy Dislocation Grain boundary Twinning Plastic deformation
Funding OrganizationNational Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; National Key Research and Development Program of China
DOI10.1016/j.scriptamat.2020.06.005
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51971225] ; National Natural Science Foundation of China[51771202] ; National Natural Science Foundation of China[51771201] ; National Natural Science Foundation of China[51531002] ; Key Research Program of Frontier Sciences, CAS[QYZDY-SSW-JSC027] ; National Key Research and Development Program of China[2016YFB0301104]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000551272900021
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/139875
Collection中国科学院金属研究所
Corresponding AuthorZheng, Shijian; Yang, Zhiqing
Affiliation1.Univ Sci & Technol China, Sch Mat Sci & Engn, Chinese Acad Sci, Inst Met Res,Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Hebei Univ Technol, State Key Lab Reliabil & Intelligence Elect Equip, Tianjin 300130, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Grp Magnesium Alloys & Their Applicat, Shenyang 110016, Peoples R China
4.Jihua Lab, Foshan 528251, Peoples R China
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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