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An analytical solution to the stress fields of kinked cracks 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021, 卷号: 156, 页码: 18
作者:  Liu ZE(刘卓尔);  Wei YJ(魏宇杰)
Adobe PDF(3434Kb)  |  收藏  |  浏览/下载：271/71  |  提交时间：2021/11/01
Kinked cracks  Stress fields  Stress intensity factors  Crack deflection  Fracture mechanics  
A new finite element level set reinitialization method based on the shifted boundary method 期刊论文
JOURNAL OF COMPUTATIONAL PHYSICS, 2021, 卷号: 438, 页码: 110360
作者:  Xue, Tianju;  Sun, WaiChing;  Adriaenssens, Sigrid;  Wei YJ(魏宇杰);  Liu CQ(刘传奇)
Adobe PDF(1807Kb)  |  收藏  |  浏览/下载：108/38  |  提交时间：2022/10/25
Level set  Reinitialization  Shift boundary method  
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  
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：1646/1417  |  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：291/70  |  提交时间：2019/12/02
graphene  strength  wrinkling  pentagon-heptagon rings  carbon honeycomb  
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
作者:  Yang L;  Chen HS;  Jiang HQ;  Wei YJ(魏宇杰);  Song WL;  Fang DN(方岱宁)
浏览  |  Adobe PDF(3014Kb)  |  收藏  |  浏览/下载：359/130  |  提交时间：2018/07/17
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
Strength gradient enhances fatigue resistance of steels 期刊论文
SCIENTIFIC REPORTS, 2016, 卷号: 6, 页码: 22156
作者:  Ma ZW(马知未);  Liu JB;  Wang G;  Wang HT;  Wei YJ(魏宇杰);  Gao HJ;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Adobe PDF(6660Kb)  |  收藏  |  浏览/下载：527/115  |  提交时间：2016/03/21
Evading the strength- ductility trade-off dilemma in steel through gradient hierarchical nanotwins 期刊论文
NATURE COMMUNICATIONS, 2014, 卷号: 5, 页码: 3580
作者:  Wei YJ(魏宇杰);  Li YQ(李永强);  Zhu LC(祝连春);  Liu Y(刘垚);  Lei XQ(雷现奇);  Wang G;  Wu YX;  Mi ZL;  Liu JB;  Wang HT;  Gao HJ;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(3096Kb)  |  收藏  |  浏览/下载：2098/453  |  提交时间：2014/06/05
On the strain hardening and texture evolution in high manganese steels: Experiments and numerical investigation 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2013, 卷号: 61, 期号: 12, 页码: 2588-2604
作者:  Li YQ(李永强);  Zhu LC(祝连春);  Liu Y(刘垚);  Wei YJ(魏宇杰);  Wu YX;  Tang D;  Mi ZL;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Adobe PDF(6710Kb)  |  收藏  |  浏览/下载：1041/418  |  提交时间：2013/12/06
Twinning Induced Plasticity  Deformation Twinning  Strain Hardening  Crystal Plasticity  Finite-element Analysis