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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
Authors:  Zeng XG;  Wei YJ(魏宇杰)
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Effective toughness  Fracture strength  Strain softening  Shear banding  Strip-yield model  
Anisotropic expansion and size-dependent fracture of silicon nanotubes during lithiation 期刊论文
JOURNAL OF MATERIALS CHEMISTRY A, 2019, 卷号: 7, 期号: 25, 页码: 15113-15122
Authors:  Wang C;  Wen JC(温济慈);  Luo F;  Quan BG;  Li H;  Wei YJ(魏宇杰);  Gu CZ;  Li JJ
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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
Authors:  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)
View  |  Adobe PDF(2613Kb)  |  Favorite  |  View/Download:79/5  |  Submit date:2019/04/11
Gradient material  Residual stress  Fatigue crack  Cyclic J-integral  Crack- growth rate  
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
Authors:  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
Authors:  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)  |  Favorite  |  View/Download:30/1  |  Submit date:2019/09/12
页岩气  压裂  力学性质  数值模拟  监测技术  渗流  
Effects of intermittent loading on fatigue life of a high strength steel in very high cycle fatigue regime 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2018, 卷号: 117, 页码: 9-12
Authors:  Sun CQ(孙成奇);  Song QY;  Hu YP(胡远培);  Wei YJ(魏宇杰)
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Very high cycle fatigue  High strength steels  Intermittent loading  Ultrasonic fatigue technique  
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
Authors:  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  
Examining the validity of Stoney-equation for in-situ stress measurements in thin film electrodes using a large-deformation finite-element procedure 期刊论文
JOURNAL OF POWER SOURCES, 2018, 卷号: 387, 页码: 126-134
Authors:  Wen JC(温济慈);  Wei YJ(魏宇杰);  Cheng YT
View  |  Adobe PDF(919Kb)  |  Favorite  |  View/Download:91/9  |  Submit date:2018/07/17
Thin Film Electrode  In-situ Stress Measurement  Stoney Equation  Diffusion Stress Coupling  Finite-deformation Finite Element  
Failure mechanisms of 2D silicon film anodes: in situ observations and simulations on crack evolution 期刊论文
CHEMICAL COMMUNICATIONS, 2018, 卷号: 54, 期号: 32, 页码: 3997-4000
Authors:  Yang L;  Chen HS;  Jiang HQ;  Wei YJ(魏宇杰);  Song WL;  Fang DN(方岱宁)
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Geometric design of micron-sized crystalline silicon anodes through in situ observation of deformation and fracture behaviors 期刊论文
JOURNAL OF MATERIALS CHEMISTRY A, 2017, 卷号: 5, 期号: 25, 页码: 12793-12802
Authors:  Zhang Xing-yu;  Song WL;  Liu ZL;  Chen HS;  Li T;  Wei YJ(魏宇杰);  Fang DN;  Fang, DN (reprint author), Peking Univ, Coll Engn, State Key Lab Turbulence & Complex Syst, Beijing 100871, Peoples R China.
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