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Cooperative toughening mechanism of nanocrystalline materials by grain rotation and shear-coupled migration of grain boundaries
Li JJ(李建军); Chen SH(陈少华); Li, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian 710072, Shanxi, Peoples R China.
Source PublicationMATERIALS LETTERS
2014-04-15
Volume121Pages:174-176
ISSN0167-577X
AbstractA theoretical model is proposed to illustrate the cooperative effect of nano-grain rotation and shear-coupled migration of grain boundaries on toughening of nanocrystalline materials. The toughening mechanism is embodied by an effective stress intensity factor near the tip of a mode I crack. The result shows a possibly effective toughening mechanism in nanocrystalline materials. (C) 2014 Elsevier B.V. All rights reserved.
KeywordNanocrystalline Materials Simulation And Modeling Toughening Mechanism Grain Rotation Shear-coupled Migration Of Grain Boundaries Stress Intensity Factor
Subject AreaMaterials Science ; Physics
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000334084600046
Funding OrganizationJ. Li acknowledges the financial support by the Start-up funding for the Newly-recruited High-level Talents from Northwestern Polytechnical University, China. S. Chen thanks the support from NSFC through Grants #11125211 and 11372317 and the 973 Nanoproject (2012CB937500).
DepartmentLNM仿生材料与固体的微尺度力学
Classification二类/Q1
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48839
Collection非线性力学国家重点实验室
Corresponding AuthorLi, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian 710072, Shanxi, Peoples R China.
Recommended Citation
GB/T 7714
Li JJ,Chen SH,Li, JJ . Cooperative toughening mechanism of nanocrystalline materials by grain rotation and shear-coupled migration of grain boundaries[J]. MATERIALS LETTERS,2014,121:174-176.
APA Li JJ,Chen SH,&Li, JJ .(2014).Cooperative toughening mechanism of nanocrystalline materials by grain rotation and shear-coupled migration of grain boundaries.MATERIALS LETTERS,121,174-176.
MLA Li JJ,et al."Cooperative toughening mechanism of nanocrystalline materials by grain rotation and shear-coupled migration of grain boundaries".MATERIALS LETTERS 121(2014):174-176.
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