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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)
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Stick-slip transition  Adhesion and plasticity  Critical shear stress  Thermal effect  Molecular dynamics simulation  
Size effect investigation of indentation response of stifffilm/compliant substrate composite structure 期刊论文
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 2020, 卷号: 193, 页码: 106-116
Authors:  Liu YW;  Ma HS(马寒松);  Wei YG(魏悦广);  Chen P
Adobe PDF(3119Kb)  |  Favorite  |  View/Download:423/106  |  Submit date:2020/06/22
Stifffilm/compliant substrate composite structure  Indentation response  Gradient effect  Integral transformation  Material length scale  
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)
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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)
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multiscale friction  asperity plowing  dislocation plasticity  size  velocity effect  crystal orientation  statistical model  
Discrete Greenwood-Williamson Modeling of Rough Surface Contact Accounting for Three-Dimensional Sinusoidal Asperities and Asperity Interaction 期刊论文
JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 2019, 卷号: 141, 期号: 12, 页码: 11
Authors:  Zhang S;  Song H;  Sandfeld S;  Liu XM(刘小明);  Wei YG(魏悦广)
View  |  Adobe PDF(1390Kb)  |  Favorite  |  View/Download:469/233  |  Submit date:2020/03/11
discrete GW model  Hertz solution  asperity interaction  plasticity  contact area  surface roughness and asperities  
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
Authors:  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.
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Friction Transition  Plastic Behavior  Green Function Molecular Dynamics  Asperity Interference  
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:936/264  |  Submit date:2013/08/12
Size Effect  Nanocrystal  Hardness  Molecular Simulation  
Nanoindentation size effect interpreted by the dislocation nucleation mechanism 期刊论文
JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE, 2013, 卷号: 10, 期号: 3, 页码: 714-718
Authors:  Liu XM(刘小明);  Liu Zhanli;  Zhang Zuoqi;  Zhuang Zhuo;  Wei YG(魏悦广);  Liu, XM (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100080, Peoples R China.
Adobe PDF(1846Kb)  |  Favorite  |  View/Download:1005/220  |  Submit date:2013/04/07
Nanoindentation Size Effect  Dislocation Nucleation  Atomic Finite Element Method  Instability Criterion  
Multiple-scale interface fracture analysis for thin film/substrate system under temperature mismatch 会议论文
IUTAM Symposium on Surface Effects in the Mechanics of Nanomaterials and Heterostructures, Beijing, China, AUG 08-12, 2010
Authors:  Li MZ(李美之);  Ma HS(马寒松);  Liang LH(梁立红);  Wei YG(魏悦广);  Li MZ(李美之)
View  |  Adobe PDF(333Kb)  |  Favorite  |  View/Download:637/193  |  Submit date:2014/03/04
Multiple-scale Fracture  Thin Film  Temperature Mismatch  Fracture Energy  Discrete Dislocation  
Interface cracking and particulate size effect in particle-reinforced metal-matrix composites 会议论文
7th International Conference on Fracture and Strength of Solids, Urumqi, PEOPLES R CHINA, AUG 27-29, 2007
Authors:  Wei YG(魏悦广);  Li TP(李铁萍);  Xie HO(谢海鸥);  Wei YG
Adobe PDF(294Kb)  |  Favorite  |  View/Download:720/195  |  Submit date:2009/07/23
Size Effect  Strain Gradient Plasticity Theory  Particle-reinforced Composite  Interface Cracking  Strain Gradient Plasticity  Flow