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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:255/80  |  提交时间:2023/02/09
load spectrum  computational mechanics  deep learning  data-driven modeling  gated recurrent unit neural network  
The synergetic effects of shot peening and laser-shot peening on the microstructural evolution and fatigue performance of a medium carbon steel 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2023, 卷号: 166, 页码: 12
作者:  Zhang YT(张亚婷);  Zhang K(张坤);  Hu,Zheng;  Chen,Tianyu;  Susmel,Luca;  Wei BC(魏炳忱)
Adobe PDF(1679Kb)  |  收藏  |  浏览/下载:168/4  |  提交时间:2022/11/08
Shot peening  Laser shot peening  Fatigue life transition  Microstructure  Short crack  
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:320/64  |  提交时间:2021/09/07
Very high cycle fatigue  Additively manufactured Ti-6Al-4V  Selective laser melting  Crack initiation mechanism  Grain refinement  
Crack initiation mechanisms under two stress ratios up to very-high-cycle fatigue regime for a selective laser melted Ti-6Al-4V 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2021, 卷号: 149, 页码: 10
作者:  Du LM(杜雷鸣);  Pan XN(潘向南);  Qian GA(钱桂安);  Zheng L(郑亮);  Hong YS(洪友士)
Adobe PDF(14294Kb)  |  收藏  |  浏览/下载:287/54  |  提交时间:2021/08/03
Very-high-cycle fatigue  Crack initiation mechanism  Stress ratio  Ti-6Al-4V  Selective laser melting  
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  
Moment-tensor inversion and decomposition for cracks in thin plates 期刊论文
CHINESE JOURNAL OF AERONAUTICS, 2021, 卷号: 34, 期号: 4, 页码: 352-359
作者:  Kong, Yue;  Li, Min;  Chen WM(陈伟民);  Liu, Ning;  Kang, Boqi
Adobe PDF(1032Kb)  |  收藏  |  浏览/下载:213/58  |  提交时间:2021/06/07
Acoustic emission  Fatigue  Moment tensor  Source mechanism  Structural health monitoring  Thin plate  
Microstructure refinement and grain size distribution in crack initiation region of very-high-cycle fatigue regime for high-strength alloys 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2020, 卷号: 134, 页码: 12
作者:  Chang YK(常玉坤);  Pan XN(潘向南);  Zheng L;  Hong YS(洪友士)
Adobe PDF(6646Kb)  |  收藏  |  浏览/下载:303/111  |  提交时间:2020/05/18
Very-high-cycle fatigue  Crack initiation  Fine granular area (FGA)  Rough area (RA)  High-strength alloys  
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:430/81  |  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:470/128  |  提交时间:2019/09/09
Effective toughness  Fracture strength  Strain softening  Shear banding  Strip-yield model  
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