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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)
浏览  |  Adobe PDF(2027Kb)  |  收藏  |  浏览/下载:470/128  |  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)
浏览  |  Adobe PDF(2613Kb)  |  收藏  |  浏览/下载:392/155  |  提交时间:2019/04/11
Gradient material  Residual stress  Fatigue crack  Cyclic J-integral  Crack- growth rate  
Statistical analysis on rolling contact fatigue in railroad axle bearing steel 期刊论文
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2019, 卷号: 42, 期号: 3, 页码: 651-663
作者:  Guo RB;  Yang GX;  Li ZY(李正阳);  Liu ZM;  Wei YJ(魏宇杰)
浏览  |  Adobe PDF(1973Kb)  |  收藏  |  浏览/下载:1648/1419  |  提交时间:2019/04/11
bearing steel  crack propagation  rolling contact fatigue  statistical analysis  
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:292/70  |  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)
浏览  |  Adobe PDF(1461Kb)  |  收藏  |  浏览/下载:390/149  |  提交时间:2019/05/29
Volume expansion  shrinkage  infinitesimal dislocation  stress  lithiation  delithiation  nitriding