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Crack deflection in brittle media with heterogeneous interfaces and its application in shale fracking 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2017, 卷号: 101, 页码: 235-249
Authors:  Zeng XG;  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
View  |  Adobe PDF(1711Kb)  |  Favorite  |  View/Download：444/180  |  Submit date：2017/07/24
Brittle Materials  Shale Hydraulic Fracturing  Crack Deflection  Strain Energy Release Rate  Heterogeneous Interfaces  
纳米金属材料的界面力学行为研究 期刊论文
金属学报, 2014, 卷号: 50, 期号: 2, 页码: 183-190
Authors:  魏宇杰;  Wei, YJ(reprint author) Chinese Acad Sci, LNM, Inst Mech, Beijing 100190, Peoples R China
View  |  Adobe PDF(942Kb)  |  Favorite  |  View/Download：579/190  |  Submit date：2014/11/05
纳米晶体  晶界/孪晶界  强度/塑性  力学模型  
On the strain hardening and texture evolution in high manganese steels: Experiments and numerical investigation 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2013, 卷号: 61, 期号: 12, 页码: 2588-2604
Authors:  Li YQ(李永强);  Zhu LC(祝连春);  Liu Y(刘垚);  Wei YJ(魏宇杰);  Wu YX;  Tang D;  Mi ZL;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Adobe PDF(6710Kb)  |  Favorite  |  View/Download：1061/426  |  Submit date：2013/12/06
Twinning Induced Plasticity  Deformation Twinning  Strain Hardening  Crystal Plasticity  Finite-element Analysis  
Mechanisms of anisotropic friction in nanotwinned Cu revealed by atomistic simulations 期刊论文
MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING, 2013, 卷号: 21, 期号: 6, 页码: 065001/1-065001/16
Authors:  Zhang JJ;  Hartmaier A;  Wei YJ(魏宇杰);  Yan YD;  Sun T;  Zhang, JJ (reprint author), Harbin Inst Technol, Ctr Precis Engn, POB 413, Harbin 150001, Peoples R China.
Adobe PDF(3658Kb)  |  Favorite  |  View/Download：768/280  |  Submit date：2013/09/27
Anisotropy  Deformation  Friction  Molecular Dynamics  Anisotropic Frictional Response  Crystallographic Orientations  Deformation Mechanism  Localized Deformations  Microstructural Changes  Twin-boundary Migrations  Twin-boundary Orientation  
Twin boundary spacing-dependent friction in nanotwinned copper 期刊论文
PHYSICAL REVIEW B, 2012, 卷号: 85, 期号: 5, 页码: 054109
Authors:  Zhang JJ;  Wei YJ(魏宇杰);  Sun T;  Hartmaier A;  Yan YD;  Li XD;  Zhang, JJ;  Harbin Insitute Technol, Ctr Precis Engn, Harbin 150001, Peoples R China.
Adobe PDF(1838Kb)  |  Favorite  |  View/Download：938/310  |  Submit date：2013/01/18
Ultrahigh-strength  Molecular-dynamics  Maximum Strength  Rate Sensitivity  Metals  Ductility  Deformation  Mechanisms  Nanoscale  Scale  
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
Adobe PDF(520Kb)  |  Favorite  |  View/Download：804/237  |  Submit date：2012/04/01
Single-crystal  Mechanical-properties  Molecular-dynamics  Maximum Strength  Gold Nanowires  Deformation  Metals  Copper  Microcompression  Plasticity  
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：1082/317  |  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：780/235  |  Submit date：2012/04/01
Nanocrystalline Materials  Deformation Mechanisms  Boundary Diffusion  Rate Sensitivity  Nanoscale  Copper  Accommodation  Strain  Twins  
Dislocation nucleation governed softening and maximum strength in nano-twinned metals 期刊论文
Nature, 2010, 卷号: 464, 期号: 7290, 页码: 877-880
Authors:  Li XY;  Wei YJ(魏宇杰);  Lu L;  Lu K;  Gao HJ(高华健);  Wei YJ
Adobe PDF(1391Kb)  |  Favorite  |  View/Download：2473/1066  |  Submit date：2011/03/01