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Anisotropic size effect in strength in coherent nanowires with tilted twins 期刊论文
Physical Review B, 2011, 卷号: 84, 期号: 1, 页码: 14107
作者:  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
Adobe PDF(520Kb)  |  收藏  |  浏览/下载：800/234  |  提交时间：2012/04/01
Single-crystal  Mechanical-properties  Molecular-dynamics  Maximum Strength  Gold Nanowires  Deformation  Metals  Copper  Microcompression  Plasticity  
Failure criterion for metallic glasses 期刊论文
Philosophical Magazine, 2011, 卷号: 91, 期号: 36, 页码: 4536-4554
作者:  Chen Y(陈艳);  Jiang MQ(蒋敏强);  Wei YJ(魏宇杰);  Dai LH(戴兰宏);  Dai, LH (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
Adobe PDF(1174Kb)  |  收藏  |  浏览/下载：977/267  |  提交时间：2012/04/01
Failure Criterion  Strength-differential Effect  Brittle-ductile Transition  Fracture Mechanics  Metallic Glasses  Bulk Amorphous-alloys  Nearest-neighbor Distance  Mechanical-properties  Plastic-flow  Shear-band  Gaussian Distribution  Pressure Sensitivity  Inhomogeneous Flow  Structural Model  Tensile Fracture  
The kinetics and energetics of dislocation mediated de-twinning in nano-twinned face-centered cubic metals 期刊论文
Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing, 2011, 卷号: 528, 期号: 3, 页码: 1558-1566
作者:  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, Bei Si Huan Xi Rd 15, Beijing 100190, Peoples R China
Adobe PDF(1356Kb)  |  收藏  |  浏览/下载：1078/317  |  提交时间：2012/04/01
De-twinning  Twinning  Nano-twinned Polycrystalline  Strength Softening  Strain-rate Sensitivity  Molecular-dynamics Simulation  Nanocrystalline Fcc Metals  Embedded-atom-method  Nanoscale Twins  Mechanical-behavior  Nanotwinned Copper  Deformation Mechanisms  Nanostructured Metals  Plastic-deformation  
Surfactant-Induced Postsynthetic Modulation of Pd Nanoparticle Crystallinity 期刊论文
Nano Letters, 2011, 卷号: 11, 期号: 4, 页码: 1614-1617
作者:  Liu Y(刘艺);  Wang C(王超);  Wei YJ(魏宇杰);  Zhu LY;  Li DG;  Jiang J;  Markovic NM;  Wang, C (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA
Adobe PDF(2188Kb)  |  收藏  |  浏览/下载：1052/280  |  提交时间：2012/04/01
Palladium Nanoparticle  Surfactant Exchange  Nanoparticle Structure  Crystallinity Modulation  Shape-controlled Synthesis  Controlled-release  Nanocrystals  Chemistry  Gold  Au  Monodisperse  Nanowires  Ag  Cu  
Scaling of maximum strength with grain size in nanotwinned fcc metals 期刊论文
Physical Review B, 2011, 卷号: 83, 期号: 13, 页码: 132104
作者:  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
Adobe PDF(346Kb)  |  收藏  |  浏览/下载：776/233  |  提交时间：2012/04/01
Nanocrystalline Materials  Deformation Mechanisms  Boundary Diffusion  Rate Sensitivity  Nanoscale  Copper  Accommodation  Strain  Twins