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The Effect of Impact Load on the Atomistic Scale Fracture Behavior of Nanocrystalline bcc Iron 期刊论文
NANOMATERIALS, 2024, 卷号: 14, 期号: 4, 页码: 11
作者:  Zhao ZF(赵志福);  Wang, Zhen;  Bie, Yehui;  Liu XM(刘小明);  Wei, Yueguang
收藏  |  浏览/下载:13/0  |  提交时间:2024/04/02
molecular dynamics simulation  nanocrystalline iron  impact load  fracture resistance  fracture ductility  
Head-on impact of metal microparticles: Aggregation or separation? 期刊论文
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, 2023, 卷号: 171, 页码: 10
作者:  Hu JQ(胡剑桥);  Liu XM(刘小明);  Wei,Yueguang
Adobe PDF(3326Kb)  |  收藏  |  浏览/下载:205/4  |  提交时间:2022/11/08
Particle collision  Critical impact velocity  Molecular dynamics  Plasticity and adhesion  
Atomistic scale behaviors of intergranular crack propagation along twist grain boundary in iron under dynamic loading 期刊论文
ENGINEERING FRACTURE MECHANICS, 2022, 卷号: 273, 页码: 16
作者:  Zhao ZF(赵志福);  Safaei, Babak;  Wang, Yanfei;  Liu, Yanwei;  Chu, Fulei;  Wei, Yueguang
Adobe PDF(5226Kb)  |  收藏  |  浏览/下载:184/30  |  提交时间:2022/09/27
Dynamic load  Molecular dynamics  Intergranular crack propagation  Stacking fault  Dislocation  
Breakdown of Archard law due to transition of wear mechanism from plasticity to fracture 期刊论文
TRIBOLOGY INTERNATIONAL, 2022, 卷号: 173, 页码: 13
作者:  Hu JQ(胡剑桥);  Song, Hengxu;  Sandfeld, Stefan;  Liu XM(刘小明);  Wei, Yueguang
Adobe PDF(2052Kb)  |  收藏  |  浏览/下载:341/73  |  提交时间:2022/07/18
Archard wear law  Molecular dynamics  Asperity plowing  Dislocation plasticity  Fractured debris  
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
作者:  Hu JQ(胡剑桥);  Liu XM(刘小明);  Wei YG(魏悦广)
Adobe PDF(5926Kb)  |  收藏  |  浏览/下载:281/76  |  提交时间:2021/11/01
Stick-slip transition  Adhesion and plasticity  Critical shear stress  Thermal effect  Molecular dynamics simulation  
Interference effect on friction behavior of asperities on single crystal copper 期刊论文
Tribology International, 2014, 卷号: 81, 期号: 1, 页码: 169-178
作者:  Liu XM(刘小明);  Zhang B;  Wei YG(魏悦广);  Liu, XM (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(3235Kb)  |  收藏  |  浏览/下载:645/210  |  提交时间:2015/01/08
Friction Transition  Plastic Behavior  Green Function Molecular Dynamics  Asperity Interference  
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
作者:  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)  |  收藏  |  浏览/下载:895/258  |  提交时间: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
作者:  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)  |  收藏  |  浏览/下载:906/310  |  提交时间: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
作者:  Wei HJ(魏豪杰);  Wei YG(魏悦广);  Wei, HJ
浏览  |  Adobe PDF(1376Kb)  |  收藏  |  浏览/下载:746/271  |  提交时间: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  
Strengthening Mechanisms And Dislocation Dynamics In Twinned Metal Nanowires 期刊论文
Jom, 2008, 页码: 85-88
作者:  Cao AJ(曹阿静);  Wei YG(魏悦广);  Mao SX;  Cao, AJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100080, Peoples R China.
Adobe PDF(602Kb)  |  收藏  |  浏览/下载:659/137  |  提交时间:2009/08/03
Molecular-dynamics  Growth