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The effective fracture strength and fracture toughness of solids with energy dissipation confined to localized strips 期刊论文
INTERNATIONAL JOURNAL OF PLASTICITY, 2019, 卷号: 120, 页码: 47-63
作者:  Zeng XG;  Wei YJ(魏宇杰)
Adobe PDF(2027Kb)  |  收藏  |  浏览/下载:471/128  |  提交时间:2019/09/09
Effective toughness  Fracture strength  Strain softening  Shear banding  Strip-yield model  
The influence of combined gradient structure with residual stress on crack-growth behavior in medium carbon steel 期刊论文
ENGINEERING FRACTURE MECHANICS, 2019, 卷号: 209, 页码: 369-381
作者:  Wang Y(王瑶);  Yuan LC;  Zhang SJ(张诗嘉);  Sun CQ(孙成奇);  Wang WJ;  Yang GX;  Li Q;  Wei YJ(魏宇杰)
Adobe PDF(2613Kb)  |  收藏  |  浏览/下载:393/155  |  提交时间:2019/04/11
Gradient material  Residual stress  Fatigue crack  Cyclic J-integral  Crack- growth rate  
Nanomechanics of graphene 期刊论文
NATIONAL SCIENCE REVIEW, 2019, 卷号: 6, 期号: 2, 页码: 324-348
作者:  Wei YJ(魏宇杰);  Yang RG(杨荣贵)
浏览  |  Adobe PDF(1360Kb)  |  收藏  |  浏览/下载:294/72  |  提交时间:2019/12/02
graphene  strength  wrinkling  pentagon-heptagon rings  carbon honeycomb  
A dislocation-based solution for stress introduced by arbitrary volume expansion in cylinders 期刊论文
MATHEMATICS AND MECHANICS OF SOLIDS, 2019, 卷号: 24, 期号: 3, 页码: 598-615
作者:  Wen JC(温济慈);  Wei YJ(魏宇杰)
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Volume expansion  shrinkage  infinitesimal dislocation  stress  lithiation  delithiation  nitriding  
页岩气开采中的若干力学前沿问题 期刊论文
力学进展, 2019, 卷号: 49, 期号: 00, 页码: 1-236
作者:  刘曰武;  高大鹏;  李奇;  万义钊;  段文杰;  曾霞光;  李明耀;  苏业旺;  范永波;  李世海;  鲁晓兵;  周东;  陈伟民;  傅一钦;  姜春晖;  侯绍继;  潘利生;  魏小林;  胡志明;  端祥刚;  高树生;  沈瑞;  常进;  李晓雁;  柳占立;  魏宇杰;  郑哲敏
Adobe PDF(109408Kb)  |  收藏  |  浏览/下载:302/39  |  提交时间:2019/09/12
页岩气  压裂  力学性质  数值模拟  监测技术  渗流  
Stress evolution in elastic-plastic electrodes during electrochemical processes: A numerical method and its applications 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2018, 卷号: 116, 页码: 403-415
作者:  Wen JC(温济慈);  Wei YJ(魏宇杰);  Cheng YT(郑仰泽)
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Battery mechanics  Electrochemical-mechanical coupling  Interfacial delamination  In situ stress measurement  Finite element method  
Cryogenic temperature toughening and strengthening due to gradient phase structure 期刊论文
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2018, 卷号: 712, 页码: 358-364
作者:  Ma ZW;  Ren Y;  Li RG;  Wang YD;  Zhou LL;  Wu XL(武晓雷);  Wei YJ(魏宇杰);  Gao HJ(高华健)
浏览  |  Adobe PDF(3142Kb)  |  收藏  |  浏览/下载:437/128  |  提交时间:2018/10/30
Cryogenic  Toughening  Strengthening  Gradient  Synchrotron high-energy X-ray diffraction  
The stress-velocity relationship of twinning partial dislocations and the phonon-based physical interpretation 期刊论文
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY, 2017, 卷号: 60, 期号: 11
作者:  Wei YJ(魏宇杰);  Peng SY(彭神佑);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mechan, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.;  Wei, YJ (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
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Dislocation Mobility  Transverse And Longitudinal Phonons  Subsonic And Supersonic Velocity  Stress-velocity Relationship  Molecular Dynamics  
Spiral fracture in metallic glasses and its correlation with failure criterion 期刊论文
ACTA MATERIALIA, 2015, 卷号: 99, 页码: 206-212
作者:  Lei XQ(雷现奇);  Wei YJ(魏宇杰);  Wei BC(魏炳忱);  Wang WH(汪卫华);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
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Metallic Glasses  Failure Criterion  Mohr-coulomb  Spiral Fracture  
The intrinsic and extrinsic factors for brittle-to-ductile transition in bulk metallic glasses 期刊论文
THEORETICAL AND APPLIED FRACTURE MECHANICS, 2014, 卷号: 71, 页码: 76-78
作者:  Wei YJ(魏宇杰);  Wei, Y (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(265Kb)  |  收藏  |  浏览/下载:487/104  |  提交时间:2014/11/03
Poissons Ratio  Shear Bands