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A segmented load spectrum model for high-speed trains and its inflection stress as an indicator for line quality 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2021, 卷号: 148, 页码: 12
作者:  Yuan, Zheng;  Chen XJ(陈贤佳);  Ma, Lijun;  Li, Qiang;  Sun, Shouguang;  Wei YJ(魏宇杰)
Adobe PDF(4436Kb)  |  收藏  |  浏览/下载:353/96  |  提交时间:2021/06/15
Load spectrum  Segmented Weibull distribution  Bogie frame  High-speed train  Inflection stress  
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:343/56  |  提交时间:2021/03/03
Fatigue endurance limit  Ultra-high cycle fatigue  Metallic glasses  Elliptical crack front  Stress intensity factor  
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
作者:  Sun CQ(孙成奇);  Zhou LL(周玲玲);  Liu JL;  Wang Y(王垚);  Wu XL(武晓雷);  Wei YJ(魏宇杰)
浏览  |  Adobe PDF(8304Kb)  |  收藏  |  浏览/下载:326/135  |  提交时间:2019/09/09
Very high cycle fatigue  Gradient microstructure  Mechanism of crack initiation  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  
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:413/168  |  提交时间:2018/10/30
Bearing steel  Fracture toughness  Gradient structure  Grain refinement  
Heterogeneous lamella structure unites ultrafine-grain strength with coarse-grain ductility 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2015, 卷号: 112, 期号: 47, 页码: 14501-14505
作者:  Wu XL(武晓雷);  Yang MX;  Yuan FP(袁福平);  Wu GL;  Wei YJ(魏宇杰);  Huang XX;  Zhu YT;  Wu, XL (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(1526Kb)  |  收藏  |  浏览/下载:1119/255  |  提交时间:2016/01/08
Back-stress Hardening  Heterogeneous Lamella Structure  Ductility  Strength  Strain Partitioning  
Failure criterion for metallic glasses 期刊论文
Philosophical Magazine, 2011, 卷号: 91, 期号: 36, 页码: 4536-4554
作者:  Chen Y(陈艳);  Jiang MQ(蒋敏强);  Wei YJ(魏宇杰);  Dai LH(戴兰宏);  Dai, LH (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
Adobe PDF(1174Kb)  |  收藏  |  浏览/下载:967/264  |  提交时间:2012/04/01
Failure Criterion  Strength-differential Effect  Brittle-ductile Transition  Fracture Mechanics  Metallic Glasses  Bulk Amorphous-alloys  Nearest-neighbor Distance  Mechanical-properties  Plastic-flow  Shear-band  Gaussian Distribution  Pressure Sensitivity  Inhomogeneous Flow  Structural Model  Tensile Fracture