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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
Authors:  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
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Single-crystal  Mechanical-properties  Molecular-dynamics  Maximum Strength  Gold Nanowires  Deformation  Metals  Copper  Microcompression  Plasticity  
Continuum modeling of the response of a Mg alloy AZ31 rolled sheet during uniaxial deformation 期刊论文
International Journal of Plasticity, 2011, 卷号: 27, 期号: 11, 页码: 1739-1757
Authors:  Fernandez A;  Perez PMT;  Wei YJ(魏宇杰);  Jerusalem A;  Jerusalem, A (reprint author), IMDEA Mat Inst, Calle Prof Aranguren S-N, Madrid 28040, Spain
Adobe PDF(1924Kb)  |  Favorite  |  View/Download:1373/473  |  Submit date:2012/04/01
Magnesium  Continuum Model  Crystal Plasticity  High-temperature Deformation  Independent Crystal Plasticity  Finite-element-method  Magnesium Alloy  Texture Evolution  Single-crystal  Hcp Metals  Mechanical-behavior  Strain Rates  Grain-size  
Failure criterion for metallic glasses 期刊论文
Philosophical Magazine, 2011, 卷号: 91, 期号: 36, 页码: 4536-4554
Authors:  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)  |  Favorite  |  View/Download:1003/276  |  Submit date: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
Authors:  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)  |  Favorite  |  View/Download:1094/320  |  Submit date: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  
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
Authors:  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)  |  Favorite  |  View/Download:807/248  |  Submit date:2012/04/01
Nanocrystalline Materials  Deformation Mechanisms  Boundary Diffusion  Rate Sensitivity  Nanoscale  Copper  Accommodation  Strain  Twins