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Interior initiation and early growth of very high cycle fatigue crack in an additively manufactured Ti-alloy 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2022, 卷号: 160, 页码: 9
Authors:  Chi, Weiqian;  Li G(李根);  Wang, Wenjing;  Sun CQ(孙成奇)
Favorite  |  View/Download:6/0  |  Submit date:2022/07/18
Additively manufactured titanium alloy  Very high cycle fatigue  Interior crack initiation  Ultralow crack growth rate  Grain refinement  
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
Authors:  Sun CQ(孙成奇);  Chi, Weiqian;  Wang, Wenjing;  Duan, Yan
Adobe PDF(4522Kb)  |  Favorite  |  View/Download:101/1  |  Submit date:2021/09/07
Very high cycle fatigue  Additively manufactured Ti-6Al-4V  Selective laser melting  Crack initiation mechanism  Grain refinement  
高强钢超高周疲劳特征观测与机理分析 学位论文
博士论文,北京: 中国科学院大学, 2021
Authors:  宋清源
Adobe PDF(17192Kb)  |  Favorite  |  View/Download:260/11  |  Submit date:2021/06/07
超高周疲劳,裂纹萌生机理,裂纹扩展速率,晶粒细化,高强钢  
Effects of inclusion size and stress ratio on the very-high-cycle fatigue behavior of pearlitic steel 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2021, 卷号: 142, 页码: 11
Authors:  Cong, Tao;  Qian, Guian;  Zhang, Guanzhen;  Wu, Si;  Pan, Xiangnan;  Du, Leiming;  Liu, Xiaolong
Favorite  |  View/Download:65/0  |  Submit date:2021/01/12
Pearlitic steel  Very-high-cycle fatigue  Inclusion size  Stress ratio  Nanograins  
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
Authors:  Chang YK(常玉坤);  Pan XN(潘向南);  Zheng L;  Hong YS(洪友士)
Adobe PDF(6646Kb)  |  Favorite  |  View/Download:158/39  |  Submit date:2020/05/18
Very-high-cycle fatigue  Crack initiation  Fine granular area (FGA)  Rough area (RA)  High-strength alloys  
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
Authors:  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)
View  |  Adobe PDF(8304Kb)  |  Favorite  |  View/Download:194/67  |  Submit date: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
Authors:  孙成奇i;  Song QY(宋庆元);  Zhou LL(周玲玲);  Pan XN(潘向南)
View  |  Adobe PDF(5866Kb)  |  Favorite  |  View/Download:233/41  |  Submit date:2019/09/09
Very high cycle fatigue  Crack initiation  Crack growth rate  Grain refinement  Multi-site crack initiation  
A statistical model of fatigue failure incorporating effects of specimen size and load amplitude on fatigue life 期刊论文
PHILOSOPHICAL MAGAZINE, 2019, 页码: 37
Authors:  Qian GA(钱桂安);  Lei WS
View  |  Adobe PDF(3427Kb)  |  Favorite  |  View/Download:162/64  |  Submit date:2019/09/09
Fatigue  probabilistic model  microcrack distribution  size effect  
Shattered rim and shelling of high-speed railway wheels in the very-high-cycle fatigue regime under rolling contact loading 期刊论文
ENGINEERING FAILURE ANALYSIS, 2019, 卷号: 97, 页码: 556-567
Authors:  Cong T;  Han JM;  Hong YS(洪友士);  Domblesky JP;  Liu XL(刘小龙)
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High-speed railway wheel  Shattered rim  Shelling  Very-high-cycle fatigue  Rolling contact loading  Crack initiation  
Crack growth rates and microstructure feature of initiation region for very-high-cycle fatigue of a high-strength steel 期刊论文
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2018, 卷号: 41, 期号: 8, 页码: 1717-1732
Authors:  Hu YP(胡远培);  Sun CQ(孙成奇);  Hong YS(洪友士)
View  |  Adobe PDF(2025Kb)  |  Favorite  |  View/Download:228/67  |  Submit date:2018/10/30
crack growth rate  crack initiation  fine-granular-area  high-strength steel  variable amplitude loading  very-high-cycle fatigue