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Stacking fault induced hardening and grain size effect in nanocrystalline CoNiCrFeMn high-entropy alloy 期刊论文
EXTREME MECHANICS LETTERS, 2022, 卷号: 56, 页码: 6
作者:  Liu RG(刘人广);  Tang J(唐婧);  Jiang,Jiaxi;  Li,Xiaoyan;  Wei YJ(魏宇杰)
Adobe PDF(2895Kb)  |  收藏  |  浏览/下载:192/33  |  提交时间:2022/11/08
High entropy alloys  Stacking fault energy  Strengthening  Dislocations  Hall-Petch  
The Influence of Metastable Cellular Structure on Deformation Behavior in Laser Additively Manufactured 316L Stainless Steel 期刊论文
NANOMATERIALS, 2021, 卷号: 11, 期号: 11, 页码: 13
作者:  Li N(李娜);  Li ZY(李正阳);  Wei YJ(魏宇杰)
Adobe PDF(6117Kb)  |  收藏  |  浏览/下载:225/30  |  提交时间:2022/01/13
laser additive manufacturing  metastable cellular structures  316L stainless steel  coherent precipitates  stacking fault energy  
Roughening for Strengthening and Toughening in Monolayer Carbon Based Composites 期刊论文
NANO LETTERS, 2021, 卷号: 21, 期号: 11, 页码: 4823-4829
作者:  Xie WH(谢文慧);  Wei YJ(魏宇杰)
Adobe PDF(11471Kb)  |  收藏  |  浏览/下载:130/62  |  提交时间:2022/10/25
Monolayer amorphous carbon  Graphene  Roughening Toughness  Strength  
Fatigue endurance limit and crack front evolution in metallic glass 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2021, 卷号: 143, 页码: 9
作者:  Lei XQ(雷现奇);  袁力超o;  Peng, Liu;  Sun CQ(孙成奇);  Wei BC(魏炳忱);  Wei YJ(魏宇杰)
Adobe PDF(9123Kb)  |  收藏  |  浏览/下载:342/56  |  提交时间:2021/03/03
Fatigue endurance limit  Ultra-high cycle fatigue  Metallic glasses  Elliptical crack front  Stress intensity factor  
Nanoscale precipitates as sustainable dislocation sources for enhanced ductility and high strength 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 卷号: 117, 期号: 10, 页码: 5204-5209
作者:  Peng SY(彭神佑);  Wei YJ(魏宇杰);  Gao HJ(高华健)
Adobe PDF(1345Kb)  |  收藏  |  浏览/下载:414/73  |  提交时间:2020/05/18
nanoscale precipitate  dislocation sources  ductility  strength  multiple-element alloy  
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:1647/1418  |  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