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Effect of plasticity and adhesion on the stick-slip transition at nanoscale friction 期刊论文
TRIBOLOGY INTERNATIONAL, 2021, 卷号: 164, 页码: 8
Authors:  Hu JQ(胡剑桥);  Liu XM(刘小明);  Wei YG(魏悦广)
Adobe PDF(5926Kb)  |  Favorite  |  View/Download:323/88  |  Submit date:2021/11/01
Stick-slip transition  Adhesion and plasticity  Critical shear stress  Thermal effect  Molecular dynamics simulation  
Effect of plasticity on nanoscale wear of third-body particles 期刊论文
TRIBOLOGY INTERNATIONAL, 2021, 卷号: 155, 页码: 9
Authors:  Hu JQ(胡剑桥);  Yuan FP(袁福平);  Liu XM(刘小明);  Wei YG(魏悦广)
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Third-body nanoparticle  Wear mechanism  Dislocation plasticity  Brittle-to-ductile transition  
A Method to Determine Material Length Scale Parameters in Elastic Strain Gradient Theory 期刊论文
JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME, 2020, 卷号: 87, 期号: 3, 页码: 7
Authors:  Song JR(宋晶如);  Wei YG(魏悦广)
Adobe PDF(604Kb)  |  Favorite  |  View/Download:315/97  |  Submit date:2020/05/18
mechanical behavior  material length scale  strain gradient theory  Cauchy-Born rule  constitutive modeling of materials  
Multiscale study of the dynamic friction coefficient due to asperity plowing 期刊论文
FRICTION, 2020
Authors:  Hu JQ(胡剑桥);  Song HX;  Sandfeld S;  Liu XM(刘小明);  Wei YG(魏悦广)
Adobe PDF(3921Kb)  |  Favorite  |  View/Download:374/73  |  Submit date:2020/12/28
multiscale friction  asperity plowing  dislocation plasticity  size  velocity effect  crystal orientation  statistical model  
Atomistic simulation study on the shear behavior of Ag/MgO interface 期刊论文
COMPUTATIONAL MATERIALS SCIENCE, 2018, 卷号: 155, 页码: 116-128
Authors:  Fu X Q;  Liang LH(梁立红);  Wei YG(魏悦广)
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Metal/oxide interface  Interface stress  Interface shear displacement  Misfit dislocation  Atomistic simulation  
Hierarchical structure observation and nanoindentation size effect characterization for a limnetic shell 期刊论文
ACTA MECHANICA SINICA, 2015, 卷号: 31, 期号: 3, 页码: 364-372
Authors:  Song JR(宋晶如);  Fan CC(范存才);  Ma HS(马寒松);  Wei YG(魏悦广)
Adobe PDF(2145Kb)  |  Favorite  |  View/Download:524/149  |  Submit date:2015/09/22
Biomaterial  Hierarchical Structure  Mechanical Property  Nanoindentation Size Effect  Trans-scale Mechanics  
Grain size effect on the hardness of nanocrystal measured by the nanosize indenter 期刊论文
APPLIED SURFACE SCIENCE, 2013, 卷号: 279, 页码: 159-166
Authors:  Liu XM(刘小明);  Yuan FP(袁福平);  Wei YG(魏悦广);  Liu, XM (reprint author), Chinese Acad Sci, LNM, Inst Mech, Beijing 100190, Peoples R China.
Adobe PDF(3344Kb)  |  Favorite  |  View/Download:945/269  |  Submit date:2013/08/12
Size Effect  Nanocrystal  Hardness  Molecular Simulation  
Yielding behavior of copper nanowire in the presence of vacancies 期刊论文
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY, 2012, 卷号: 55, 期号: 6, 页码: 1010-1017
Authors:  Liu XM(刘小明);  Yang XB;  Wei YG(魏悦广);  Liu, XM (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Adobe PDF(1006Kb)  |  Favorite  |  View/Download:931/271  |  Submit date:2013/01/18
Nanowire  Yield Strength  Vacancies  Size Effect  Molecular-dynamics  Mechanical-properties  Strain Gradients  Metal Nanowires  Gold Nanowires  Strength  Deformation  Size  Cu  Crystals  
Nanoscale friction behavior of the Ni-film/substrate system under scratching using MD simulation 期刊论文
TRIBOLOGY LETTERS, 2012, 卷号: 46, 期号: 2, 页码: 167-178
Authors:  Liu XM(刘小明);  Liu ZL;  Wei YG(魏悦广);  Liu, XM;  Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Adobe PDF(1710Kb)  |  Favorite  |  View/Download:934/321  |  Submit date:2013/01/18
Nanotribology  Friction  Reducing  Friction Mechanisms  Films  Dynamic Modeling  Molecular-dynamics Simulation  Randomly Rough Surfaces  Dislocation Nucleation  Atomistic Simulation  Contact Mechanics  Film Thickness  Thin-films  Nanoindentation  Deformation  Multilayers  
Interaction between a screw dislocation and stacking faults in FCC metals 期刊论文
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2012, 卷号: 541, 期号: 4, 页码: 38-44
Authors:  Wei HJ(魏豪杰);  Wei YG(魏悦广);  Wei, HJ
Adobe PDF(1376Kb)  |  Favorite  |  View/Download:775/284  |  Submit date:2013/01/18
Molecular Dynamics Simulation  Stacking Fault  Dislocation  Planar Fault Energy  Plastic Deformation  Coherent Twin Boundaries  Molecular-dynamics Simulation  Centered-cubic Metals  Interaction Mechanisms  Crack-tip  Tetrahedron  Strength  Copper  Nanoscale  Nanowires