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Modelling micropit formation in rolling contact fatigue of bearings with a crystal plasticity damage theory coupled with cohesive finite elements 期刊论文
ENGINEERING FRACTURE MECHANICS, 2024, 卷号: 297, 页码: 16
Authors:  Han, Xinqi;  Li, Shuxin;  Sun CQ(孙成奇);  Lu, Siyuan
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Micropit formation  Rolling contact fatigue  Transgranular crack growth  Crystal plasticity model  
A method of quasi in-situ EBSD observation for microstructure and damage evolution in fatigue and dwell fatigue of Ti alloys 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2023, 卷号: 176, 页码: 20
Authors:  Sun CQ(孙成奇);  Sun, Jian;  Chi WQ(池维乾);  Wang JX(王家璇);  Wang, Wenjing
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Ti-6Al-4V ELI titanium alloy  Low cycle fatigue  Dwell fatigue  Deformation twinning  Failure mechanism  
High-temperature fatigue behavior of TC17 titanium alloy and influence of surface oxidation 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2023, 卷号: 176, 页码: 107896
Authors:  Li G(李根);  Guo YY(郭艺云);  Rui SS(芮少石);  Sun CQ(孙成奇)
Adobe PDF(18488Kb)  |  Favorite  |  View/Download:77/7  |  Submit date:2023/09/26
TC17 titanium alloy  Low and high cycle fatigue  Failure mechanism  High temperature  Surface oxidation  
Nanograin formation mechanism under fatigue loadings in additively manufactured Ti-6Al-4V alloy 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2023, 卷号: 175, 页码: 107821
Authors:  Chi WQ(池维乾);  Wang, Wenjing;  Wu, Lei;  Duan GH(段桂花);  Sun CQ(孙成奇)
Adobe PDF(30782Kb)  |  Favorite  |  View/Download:46/3  |  Submit date:2023/09/05
Additively manufactured titanium alloy  Very high cycle fatigue  Crack initiation  Twinning  Nanograin formation  
A novel evaluation method for high cycle and very high cycle fatigue strength 期刊论文
ENGINEERING FRACTURE MECHANICS, 2023, 卷号: 290, 页码: 109482
Authors:  Wu H(仵涵);  Sun CQ(孙成奇);  Xu, Wei;  Chen, Xin;  Wu XL(武晓雷)
Adobe PDF(2406Kb)  |  Favorite  |  View/Download:65/8  |  Submit date:2023/09/05
Continuous runout method  Fatigue strength  Metallic materials  High cycle fatigue  Very high cycle fatigue  
A modified highly stressed volume (HSV) method to predict fatigue life considering the critical crack size 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2023, 卷号: 172, 页码: 107644
Authors:  Zhang YT(张亚婷);  Zhang K(张坤);  Hu, Zheng;  Chen TY(陈天宇);  Zhang, Wanhao;  Jin, Kongjie;  Sun CQ(孙成奇);  Susmel, Luca;  Wei BC(魏炳忱)
Adobe PDF(9946Kb)  |  Favorite  |  View/Download:169/3  |  Submit date:2023/04/20
Fatigue life prediction  The crack initiation size  Critical distance  Highly stressed volume  Fracture surface  
Effects of Natural Aging and Discontinuous Cyclic Loading on High Cycle Fatigue Behavior of Steels 期刊论文
METALS, 2023, 卷号: 13, 期号: 3, 页码: 511
Authors:  Li G(李根);  Liu, Jiajun;  Sun, Jian;  Sun CQ(孙成奇)
Adobe PDF(4884Kb)  |  Favorite  |  View/Download:47/0  |  Submit date:2023/04/20
natural aging  discontinuous loading  steels  high cycle fatigue  failure mechanism  
高速列车车轴寿命预测及修程修制优化关键技术 成果
高速列车车轴寿命预测及修程修制优化关键技术: 中国铁道学会科学技术奖, 一等奖, 2023.
Accomplishers:  孙成奇
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Nanograin formation and cracking mechanism in Ti alloys under very high cycle fatigue loading 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2023, 卷号: 167, 页码: 10
Authors:  Sun CQ(孙成奇);  Wu H(仵涵);  Chi, Weiqian;  Wang, Wenjing;  Zhang, Guang-Ping
Adobe PDF(22393Kb)  |  Favorite  |  View/Download:128/5  |  Submit date:2023/01/12
Titanium alloy  Very high cycle fatigue  Twinning  Nanograins  Cracking mechanism  
Machine Learning Method for Fatigue Strength Prediction of Nickel-Based Superalloy with Various Influencing Factors 期刊论文
MATERIALS, 2023, 卷号: 16, 期号: 1, 页码: 13
Authors:  Guo, Yiyun;  Rui SS(芮少石);  Xu, Wei;  Sun CQ(孙成奇)
Adobe PDF(9664Kb)  |  Favorite  |  View/Download:83/1  |  Submit date:2023/02/09
machine learning  nickel-based superalloy  fatigue strength prediction  temperature  stress ratio