Formation sequences and roles of multiple deformation twins during the plastic deformation in nanocrystalline fcc metals

CORC > 力学研究所 > 中国科学院力学研究所 > 非线性力学国家重点实验室

	Formation sequences and roles of multiple deformation twins during the plastic deformation in nanocrystalline fcc metals
	Yuan FP(袁福平); Wu XL(武晓雷)
刊名	MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
	2013-09-15
通讯作者邮箱	fpyuan@lnm.imech.ac.cn;xlwu@imech.ac.cn
卷号	580 页码:58-65
关键词	Nanocrystalline metals Multiple twins Molecular dynamics simulation Plastic deformation
ISSN号	0921-5093
通讯作者	Yuan, FP (reprint author), Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, 15,North 4th Ring,West Rd, Beijing 100190, Peoples R China.
产权排序	[Yuan, Fuping; Wu, Xiaolei] Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, Beijing 100190, Peoples R China
中文摘要	Large-scale molecular dynamics (MD) simulations were performed to investigate the tensile plastic deformation of nanocrystalline Ag. With increasing tensile strain, formation of SFs, single deformation twins, V-shaped and T-shaped double twins, and 5-fold twins successively starts to play a role on the plastic deformation of nanocrystalline Ag. The direct evidences of the formation sequences for the following two twinning mechanisms are presented in the present study: GB-mediated intersecting mechanism and self-partial-multiplication twinning mechanism. Moreover, the 5-fold twins are found to be formed by a combination of these two mechanisms. The findings in the present study contribute to the understanding of formation mechanisms and roles of multiple twins on the plastic deformation of nanocrystalline fcc metals with low stacking fault energy.
学科主题	损伤、破坏机理和微结构演化
分类号	一类
收录类别	SCI ; EI
资助信息	National Key Basic Research Program of China [2012CB932203, 2012CB937500]; NSFC [11002151, 11222224, 11072243, 11021262]
原文出处	http://dx.doi.org/10.1016/j.msea.2013.05.033
语种	英语
WOS记录号	WOS:000322693800007
公开日期	2013-09-09
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/47408]
专题	力学研究所_非线性力学国家重点实验室
推荐引用方式 GB/T 7714	Yuan FP,Wu XL. Formation sequences and roles of multiple deformation twins during the plastic deformation in nanocrystalline fcc metals[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2013,580:58-65.
APA	袁福平,&武晓雷.(2013).Formation sequences and roles of multiple deformation twins during the plastic deformation in nanocrystalline fcc metals.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,580,58-65.
MLA	袁福平,et al."Formation sequences and roles of multiple deformation twins during the plastic deformation in nanocrystalline fcc metals".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 580(2013):58-65.