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Smaller critical size and enhanced strength by nano-laminated structure in nickel 期刊论文
Computational Materials Science, 2015, 卷号: 110, 页码: 83-90
作者:  Wang W;  Yuan FP(袁福平);  Wu XL(武晓雷);  Yuan, FP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
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Molecular Dynamics  Dislocations  Grain Boundaries  Laminated Structure  Equiaxed Grain Structure  
A coupling crack blunting mechanism in nanocrystalline materials by nano-grain rotation and shear-coupled migration of grain boundaries 期刊论文
Materials Letters, 2014, 卷号: 137, 页码: 218-220
作者:  Li JJ(李建军);  Su AJ(苏爱嘉);  Chen SH(陈少华);  Li, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian 710129, Shanxi, Peoples R China.
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Nanocrystalline Materials  Simulation And Modelling  Nano-grain Rotation  Shear-coupled Migration Of Grain Boundaries  Cracks  Dislocation Emission  
Strong crack blunting by shear-coupled migration of grain boundaries in nanocrystalline materials 期刊论文
Scripta Materialia, 2014, 卷号: 84-85, 页码: 51-54
作者:  Li JJ(李建军);  Chen SH(陈少华);  Wu XL(武晓雷);  Soh AK;  Li, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian, Shanxi, Peoples R China.
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Nanocrystalline Materials  Shear-coupled Migration Of Grain Boundaries  Cracks  Dislocation Emission  Toughening Mechanism  
On nanograin rotation by dislocation climb in nanocrystalline materials 期刊论文
SCRIPTA MATERIALIA, 2014, 卷号: 78-79, 页码: 5-8
作者:  Li JJ(李建军);  Soh, AK;  Wu XL(武晓雷);  Li, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian, Shanxi, Peoples R China.
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Nanograin Rotation  Dislocation Climb  Shear-coupled Migration Of Grain Boundaries  Nanograin Growth  Strength And Ductility  
Enhancing dislocation emission in nanocrystalline materials through shear-coupled migration of grain boundaries 期刊论文
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2014, 卷号: 601, 页码: 153-158
作者:  Li JJ(李建军);  Soh, AK;  Wu XL(武晓雷);  Li, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian 710072, Shanxi, Peoples R China.
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Nanocrystalline Materials  Dislocations  Shear-coupled Migration Of Grain Boundaries  Strength And Ductility  
Cooperative toughening mechanism of nanocrystalline materials by grain rotation and shear-coupled migration of grain boundaries 期刊论文
MATERIALS LETTERS, 2014, 卷号: 121, 页码: 174-176
作者:  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.
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Nanocrystalline Materials  Simulation And Modeling  Toughening Mechanism  Grain Rotation  Shear-coupled Migration Of Grain Boundaries  Stress Intensity Factor  
Grain size effect on deformation twinning and detwinning 期刊论文
JOURNAL OF MATERIALS SCIENCE, 2013, 卷号: 48, 期号: 13, 页码: 4467-4475
作者:  Zhu YT;  Liao XZ;  Wu XL(武晓雷);  Narayan J;  Zhu, YT (reprint author), N Carolina State Univ, Dept Mat Sci & Engn, Box 7907, Raleigh, NC 27695 USA.
Adobe PDF(635Kb)  |  收藏  |  浏览/下载:1278/442  |  提交时间:2013/05/14
Deformation Mechanism  Deformation Twinning  Detwinning  Grain Size  Grain Size Effect  Grain Boundaries  Fcc Metals  Coarse-grained  Nanocrystallines  Optimum Grain-size  Twin Boundaries  
Size effects of primary/secondary twins on the atomistic deformation mechanisms in hierarchically nanotwinned metals 期刊论文
JOURNAL OF APPLIED PHYSICS, 2013, 卷号: 113, 期号: 20, 页码: 203516/1-203516/6
作者:  Yuan FP(袁福平);  Wu XL(武晓雷);  Yuan, FP(reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Adobe PDF(7235Kb)  |  收藏  |  浏览/下载:872/244  |  提交时间:2013/06/14
Copper  Dislocations  Grain Size  Hardening  Molecular Dynamics Method  Plastic Flow  Size Effect  Softening  Twin Boundaries  Twinning  Yield Stress  
The nature of strength enhancement and weakening by pentagon-heptagon defects in graphene 期刊论文
Nature Materials, 2012, 卷号: 11, 期号: 9, 页码: 759-763
作者:  Wei YJ(魏宇杰);  Wu JT(吴江涛);  Yin HQ(尹汗青);  Shi XH(施兴华);  Yang RG;  Dresselhaus M;  Wei, YJ;  Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Adobe PDF(1210Kb)  |  收藏  |  浏览/下载:2548/852  |  提交时间:2012/12/31
Chemical-vapor-deposition  Grain-boundaries  Large-area  Films  Field  
A micromechanical model for deformation behavior of nanocrystalline copper 会议论文
2010 International Conference on Advances in Materials and Manufacturing Processes, ICAMMP 2010, Shenzhen, China, NOV 06-08, 2010
作者:  Lan JX(兰姣霞);  Wu YZ(吴永中);  Hong YS(洪友士);  Lan JX
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Algorithms  Copper  Deformation  Grain Boundaries  Grain Size And Shape  Materials  Micromechanics  Molecular Dynamics  Strain Energy  Deformation Behavior  Deformation Mechanism  Developed Model  Experimental Values  Grain Shapes  Grain Size  Internal Variable Theory  Iteration Algorithms  Micromechanical Model  Molecular Dynamics Simulations  Nanocrystalline Copper  Nanocrystallines  Pure Copper  Statistical Distribution  Stress Strain Relation  Uniaxial Tensions