IMR OpenIR
Local-structure-affected behavior during self-driven grain boundary migration
Luo, X. M.; Zhang, B.; Zhu, X. F.; Zhou, Y. T.; Xiao, T. Y.; Zhang, G. P.; Zhang, GP (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-06-01
发表期刊MRS COMMUNICATIONS
ISSN2159-6859
卷号6期号:2页码:85-91
摘要In nanocrystalline (nc) metals, it is still not clear how local grain boundary (GB) structures accommodate GB migration at atomic scales and what dominates the motion of atoms at the inherently unstable GB front. Here, we report the adjustment of the local GB structures at atomic scales during self-driven GB migration, simultaneously involving GB dissociation, partial dislocation emission from GB, and faceting/defaceting in the nc Cu. Furthermore, we reveal that the fundamental of GB migration ability is closely related to the local structure, i.e. the GB segment consisting of hybrid structural units and delocalized GB dislocations is relatively unstable.
部门归属shenyang natl lab mat sci, chinese acad sci, inst met res, shenyang 110016, peoples r china ; ne univ, sch mat sci & engn, key lab anisotropy & texture mat, minist educ, shenyang 110819, peoples r china ; [luo, x. m. ; zhu, x. f. ; zhou, y. t. ; zhang, g. p.] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china ; [zhang, b. ; xiao, t. y.] northeastern univ, sch mat sci & engn, minist educ, key lab anisotropy & texture mat, 3-11 wenhua rd, shenyang 110819, peoples r china
学科领域Materials Science
资助者National Natural Science Foundation of China (NSFC) [51371047, 51571199]; External Cooperation Program of the Chinese Academy of Sciences [GJHZ1401]; NSFC [51371180]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75842
专题中国科学院金属研究所
通讯作者Zhang, GP (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Luo, X. M.,Zhang, B.,Zhu, X. F.,et al. Local-structure-affected behavior during self-driven grain boundary migration[J]. MRS COMMUNICATIONS,2016,6(2):85-91.
APA Luo, X. M..,Zhang, B..,Zhu, X. F..,Zhou, Y. T..,Xiao, T. Y..,...&Zhang, GP .(2016).Local-structure-affected behavior during self-driven grain boundary migration.MRS COMMUNICATIONS,6(2),85-91.
MLA Luo, X. M.,et al."Local-structure-affected behavior during self-driven grain boundary migration".MRS COMMUNICATIONS 6.2(2016):85-91.
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