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A computational method for the load spectra of large-scale structures with a data-driven learning algorithm 期刊论文
SCIENCE CHINA-TECHNOLOGICAL SCIENCES, 2023, 卷号: 66, 期号: 1, 页码: 141-154
作者:  Chen XJ(陈贤佳);  Yuan, Zheng;  Li, Qiang;  Sun, ShouGuang;  Wei YJ(魏宇杰)
Adobe PDF(2512Kb)  |  收藏  |  浏览/下载：245/76  |  提交时间：2023/02/09
load spectrum  computational mechanics  deep learning  data-driven modeling  gated recurrent unit neural network  
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：262/68  |  提交时间：2021/11/01
Kinked cracks  Stress fields  Stress intensity factors  Crack deflection  Fracture mechanics  
Characteristic and mechanism of crack initiation and early growth of an additively manufactured Ti-6Al-4V in very high cycle fatigue regime 期刊论文
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, 2021, 卷号: 205, 页码: 8
作者:  Sun CQ(孙成奇);  Chi, Weiqian;  Wang, Wenjing;  Duan, Yan
Adobe PDF(4522Kb)  |  收藏  |  浏览/下载：306/59  |  提交时间：2021/09/07
Very high cycle fatigue  Additively manufactured Ti-6Al-4V  Selective laser melting  Crack initiation mechanism  Grain refinement  
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：350/96  |  提交时间：2021/06/15
Load spectrum  Segmented Weibull distribution  Bogie frame  High-speed train  Inflection stress  
Gradient design of bio-inspired nacre-like composites for improved impact resistance 期刊论文
COMPOSITES PART B-ENGINEERING, 2021, 卷号: 215, 页码: 11
作者:  Wei ZQ(魏志全);  Xu XH(许向红)
Adobe PDF(11396Kb)  |  收藏  |  浏览/下载：390/95  |  提交时间：2021/06/07
Nacre-like structure  Gradient design  Impact resistance  
Mechanism of crack initiation and early growth of high strength steels in very high cycle fatigue regime 期刊论文
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2020, 卷号: 771, 页码: 9
作者:  Song QY(宋清源);  Sun CQ(孙成奇)
Adobe PDF(3170Kb)  |  收藏  |  浏览/下载：418/80  |  提交时间：2020/03/11
very high cycle fatigue  High strength steels  Crack initiation mechanism  crack growth rate  Grain refinement  
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：465/125  |  提交时间：2019/09/09
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
作者:  Wang C;  Wen JC(温济慈);  Luo F;  Quan BG;  Li H;  Wei YJ(魏宇杰);  Gu CZ;  Li JJ
浏览  |  Adobe PDF(1641Kb)  |  收藏  |  浏览/下载：312/136  |  提交时间：2019/09/09
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：320/133  |  提交时间：2019/09/09
Very high cycle fatigue  Gradient microstructure  Mechanism of crack initiation  Crack growth rate  
Characteristic of interior crack initiation and early growth for high cycle and very high cycle fatigue of a martensitic stainless steel 期刊论文
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2019, 卷号: 758, 页码: 112-120
作者:  孙成奇i;  Song QY(宋庆元);  Zhou LL(周玲玲);  Pan XN(潘向南)
浏览  |  Adobe PDF(5866Kb)  |  收藏  |  浏览/下载：338/90  |  提交时间：2019/09/09
Very high cycle fatigue  Crack initiation  Crack growth rate  Grain refinement  Multi-site crack initiation