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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：413/72  |  提交时间：2020/05/18
nanoscale precipitate  dislocation sources  ductility  strength  multiple-element alloy  
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：389/152  |  提交时间：2019/04/11
Gradient material  Residual stress  Fatigue crack  Cyclic J-integral  Crack- growth rate  
Case study: The effect of running distance on the microstructure and properties of railroad axle bearings 期刊论文
WEAR, 2018, 卷号: 394, 页码: 159-165
作者:  Guo RB;  Lei XQ(雷现奇);  Zhang DD;  Liu ZM;  Wang X;  Wei YJ(魏宇杰)
浏览  |  Adobe PDF(1589Kb)  |  收藏  |  浏览/下载：412/167  |  提交时间：2018/10/30
Bearing steel  Fracture toughness  Gradient structure  Grain refinement  
Optimal stress and deformation partition in gradient materials for better strength and tensile ductility: A numerical investigation 期刊论文
SCIENTIFIC REPORTS, 2017, 卷号: 7
作者:  Wang, Yao;  Yang, Guangxue;  Wang, Wenjing;  Wang, Xi;  Li, Qiang;  Wei YJ(魏宇杰);  Li, Q (reprint author), Beijing Jiaotong Univ, Minist Educ, Key Lab Vehicle Adv Mfg Measuring & Control Techn, Beijing 100044, Peoples R China.;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(3669Kb)  |  收藏  |  浏览/下载：338/100  |  提交时间：2017/11/29
Stable planar single-layer hexagonal silicene under tensile strain and its anomalous Poisson 期刊论文
Applied Physics Letter, 2014, 卷号: 104, 期号: 8, 页码: 81902
作者:  Wang BL(王宝林);  Wu JT(吴江涛);  Gu XK;  Yin HQ;  Wei YJ(魏宇杰);  Yang RG;  Dresselhaus M;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(971Kb)  |  收藏  |  浏览/下载：1103/342  |  提交时间：2014/05/09
Root Fracture  Dentine  Ageing  Biomechanics  Nano-indentation  Finite Element Analysis  
Grain misorientation and grain-boundary rotation dependent mechanical properties in polycrystalline graphene 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2013, 卷号: 61, 期号: 6, 页码: 1421-1432
作者:  Wu JT(吴江涛);  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China
Adobe PDF(3103Kb)  |  收藏  |  浏览/下载：1827/792  |  提交时间：2013/03/06
Polycrystalline Graphene  Grain Misorientation  Grain Boundary Rotation  Disclination  Density Functional Theory Calculation  
Dislocation nucleation governed softening and maximum strength in nano-twinned metals 期刊论文
Nature, 2010, 卷号: 464, 期号: 7290, 页码: 877-880
作者:  Li XY;  Wei YJ(魏宇杰);  Lu L;  Lu K;  Gao HJ(高华健);  Wei YJ
Adobe PDF(1391Kb)  |  收藏  |  浏览/下载：2437/1050  |  提交时间：2011/03/01