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The effect of laser surface melting on grain refinement of phase separated Cu-Cr alloy 期刊论文
OPTICS AND LASER TECHNOLOGY, 2019, 卷号: 119, 页码: 10
Authors:  Zhang LT(张犁天);  Yu G(虞钢);  Li SX(李少霞);  He XL(何秀丽);  Jie XY(解晓宇);  Xia CY(夏纯阳);  Ning WJ(宁伟健);  Zheng CY(郑彩云)
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Laser surface melting (LSM)  Microstructure  Grain refinement  Liquid phase separation (LPS)  Interruption capability  
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 formation of discontinuous gradient regimes during crack initiation in high strength steels under very high cycle fatigue 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2019, 卷号: 124, 页码: 483-492
Authors:  Sun CQ(孙成奇);  Zhou LL(周玲玲);  Liu JL;  Wang Y(王垚);  武晓雷i;  Wei YJ(魏宇杰)
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Very high cycle fatigue  Gradient microstructure  Mechanism of crack initiation  Crack growth rate  
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)
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Gradient material  Residual stress  Fatigue crack  Cyclic J-integral  Crack- growth rate  
Defects guided wrinkling in graphene on copper substrate 期刊论文
CARBON, 2019, 卷号: 143, 页码: 736-742
Authors:  Pang ZQ(庞振乾);  Deng B;  Liu ZF;  Peng HL;  Wei YJ(魏宇杰)
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Wrinkling  Graphene  Grain boundary  Stone-wales defects  Binding energy  
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
Authors:  Guo RB;  Yang GX;  Li ZY(李正阳);  Liu ZM;  Wei YJ(魏宇杰)
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bearing steel  crack propagation  rolling contact fatigue  statistical analysis  
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)
Favorite  |  View/Download:25/0  |  Submit date:2019/05/29
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
Favorite  |  View/Download:7/0  |  Submit date:2019/09/12
页岩气  压裂  力学性质  数值模拟  监测技术  渗流  
Metal ductility evaluation by flattening test: The geometry dependence 期刊论文
INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING, 2019, 卷号: 170, 页码: 40-48
Authors:  Wang Y;  Yang GX;  Lei XQ(雷现奇);  Li Q;  Rong LJ;  Hu XF;  Wei YJ(魏宇杰)
Favorite  |  View/Download:25/0  |  Submit date:2019/04/11
Flattening test  Plastic deformability  Gerson-Tvergaard-Needleman model  Failure  Finite element analysis