Dissociation of Tilt Dislocation Walls in Au

doi:10.1007/s40195-022-01409-3

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	Dissociation of Tilt Dislocation Walls in Au
	Geng, Yu-Juan 3,4; Wang, Chun-Yang 2; Yan, Jing-Xin 1,4; Zhang, Zhen-Jun 4; Yang, Hua-Jie 4; Yang, Jin-Bo 3,4; Du, Kui 2; Zhang, Zhe-Feng 3,4
刊名	ACTA METALLURGICA SINICA-ENGLISH LETTERS
	2022-05-21
页码	6
关键词	Dislocation Tilt wall Stacking fault Dissociation Grain boundary
ISSN号	1006-7191
DOI	10.1007/s40195-022-01409-3
通讯作者	Yang, Jin-Bo(jbyang@imr.ac.cn) ; Du, Kui(kuidu@imr.ac.cn) ; Zhang, Zhe-Feng(zhfzhang@imr.ac.cn)
英文摘要	The movement or dissociation of dislocations is significantly important for better understanding the plastic deformation mechanisms and mechanical properties of metals. It is commonly believed that a dislocation < 110 > /2 in Au is easy to dissociate into a pair of Shockley partial dislocations < 112 > /6 due to low stacking fault energy (SFE). Contrary to this prevailing perception, the present atomistic modeling demonstrates that this reaction could be completely suppressed when dislocations < 110 > /2 are grouped into tilt walls, consistent with our experimental observations. Such phenomenon is actually the extreme case accompanying with the variation of Burgers vectors of partials with tilt angle, as revealed by a series of simulations, from which it is clearly seen that the Burgers vectors of partials deviate considerably from that of Shockley partials, enormously depending on the tilt angle. Our findings could facilitate a better understanding on many phenomena and properties of face-centered cubic metals (FCC).
资助项目	National Natural Science Foundation of China[52071316] ; National Natural Science Foundation of China[51771206] ; National Natural Science Foundation of China[51571198] ; K.C. Wong Education Foundation[GJTD-2020-09]
WOS研究方向	Metallurgy & Metallurgical Engineering
语种	英语
出版者	CHINESE ACAD SCIENCES, INST METAL RESEARCH
WOS记录号	WOS:000798472500002
资助机构	National Natural Science Foundation of China ; K.C. Wong Education Foundation
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/174065]
专题	金属研究所_中国科学院金属研究所
通讯作者	Yang, Jin-Bo; Du, Kui; Zhang, Zhe-Feng
作者单位	1.Chongqing Jiaotong Univ, Sch Mat Sci & Engn, Chongqing 400074, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 4.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Geng, Yu-Juan,Wang, Chun-Yang,Yan, Jing-Xin,et al. Dissociation of Tilt Dislocation Walls in Au[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2022:6.
APA	Geng, Yu-Juan.,Wang, Chun-Yang.,Yan, Jing-Xin.,Zhang, Zhen-Jun.,Yang, Hua-Jie.,...&Zhang, Zhe-Feng.(2022).Dissociation of Tilt Dislocation Walls in Au.ACTA METALLURGICA SINICA-ENGLISH LETTERS,6.
MLA	Geng, Yu-Juan,et al."Dissociation of Tilt Dislocation Walls in Au".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2022):6.