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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); 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.
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
2013-09-15
Volume580Pages:58-65
ISSN0921-5093
AbstractLarge-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.
KeywordNanocrystalline Metals Multiple Twins Molecular Dynamics Simulation Plastic Deformation
Subject Area损伤、破坏机理和微结构演化
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000322693800007
Funding OrganizationNational Key Basic Research Program of China [2012CB932203, 2012CB937500]; NSFC [11002151, 11222224, 11072243, 11021262]
DepartmentLNM材料介观力学性能的表征
Classification一类
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47408
Collection非线性力学国家重点实验室
Corresponding AuthorYuan, FP (reprint author), Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, 15,North 4th Ring,West Rd, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Yuan FP,Wu XL,Yuan, FP . 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,&Yuan, FP .(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.
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