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Fatigue failure mechanisms and influential factors for aluminum alloy and its welded joint in a high-speed train 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2025, 卷号: 193, 页码: 12./通讯作者：Rui, Shao-Shi
Authors:  Yu, Yangyang;  Guo YY(郭艺云);  Wang SS(王赛赛);  Cai, Junshuang;  Wu, Han;  Song, Yeheng;  Rui SS(芮少石);  Sun CQ(孙成奇)
Favorite  |  View/Download：565/0  |  Submit date：2025/02/10
High-speed train  Aluminum alloy  Welding defects  Fatigue failure  Influential factors  
Effects of Defect, Mean Stress and Lower Loading on High Cycle and Very High Cycle Fatigue Behavior of Ti-6Al-4V Alloy 期刊论文
ACTA METALLURGICA SINICA-ENGLISH LETTERS, 2025, 页码: 14./通讯作者：Sun, Chengqi
Authors:  Guo YY(郭艺云);  Wu, Lei;  Shang, Yibo;  Sun CQ(孙成奇)
Favorite  |  View/Download：380/0  |  Submit date：2025/02/17
Ti-6Al-4V titanium alloy  Very high cycle fatigue  Defect  Stress ratio  Lower stress amplitude  
A continuous testing method for fatigue strength evaluation in high cycle and very high cycle regimes 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2024, 卷号: 188, 页码: 20./通讯作者：Sun, Chengqi
Authors:  Wu H(仵涵);  Wang SS(王赛赛);  Xu, Wei;  Sun CQ(孙成奇)
Favorite  |  View/Download：30/0  |  Submit date：2024/08/23
Continuous testing method (CTM)  Up-and-down method (UDM)  Fatigue strength  High cycle fatigue  Very high cycle fatigue  
Microstructure evolution, crack initiation and early growth of high-strength martensitic steels subjected to fatigue loading 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2024, 卷号: 188, 页码: 18./通讯作者：Sun, Chengqi
Authors:  Rui SS(芮少石);  Wei, Shaolou;  Sun CQ(孙成奇)
Favorite  |  View/Download：111/0  |  Submit date：2024/09/18
High-strength martensitic steels  Fatigue loading  Microstructure evolution  Crack initiation and early growth  
Experimental investigation on compressive dwell fatigue behavior of titanium alloy pressure hull for deep-sea manned submersibles 期刊论文
OCEAN ENGINEERING, 2024, 卷号: 303, 页码: 14./通讯作者：Ye, Cong
Authors:  Wang, Lei;  Ye, Cong;  Sun CQ(孙成奇);  Feng, Shichao;  Xie, Xiaozhong;  Gao, Yuan;  Zhao K(赵坤);  Li, Yanqing;  Wan, Zhengquan
Favorite  |  View/Download：78/0  |  Submit date：2024/06/17
Compressive dwell fatigue  Pressure hull  Deep-sea manned submersible  Time -dependent strain accumulation  Titanium alloy  
A new probabilistic control volume scheme to interpret specimen size effect on fatigue life of additively manufactured titanium alloys 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2024, 卷号: 183, 页码: 15./通讯作者：Hong, Youshi
Authors:  Tao ZQ(陶志强);  Wang ZB(王子标);  Pan XN(潘向南);  Su, Tianxiong;  Long, Xu;  Liu, Bowen;  Tang, Qingxiao;  Ren, Xuechong;  Sun CQ(孙成奇);  Qian GA(钱桂安);  Hong YS(洪友士)
Favorite  |  View/Download：70/0  |  Submit date：2024/06/14
Size effect  Fatigue life  Control volume  Probabilistic analysis  Titanium alloy  
金属材料　超高周疲劳　超声疲劳试验方法 标准
出版者: 中国标准出版社, 2024
Authors:  彭文杰;  孙成奇;  王清远;  吴圣川;  刘冬;  朱明亮;  董莉;  王宠;  尉文超;  周冶东;  杜晋峰;  谢卿;  李荣锋;  夏立;  轩福贞;  高怡斐;  方健;  侯慧宁;  孙谱;  崔洪芝;  秦斌;  杜丽影;  武晓雷;  温建锋;  刘永杰;  李文凯;  乔湛;  时捷;  傅军平;  李洪光;  崔中雨
Adobe PDF(1154Kb)  |  Favorite  |  View/Download：162/0  |  Submit date：2025/02/26
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./通讯作者：Li, Shuxin
Authors:  Han, Xinqi;  Li, Shuxin;  Sun CQ(孙成奇);  Lu, Siyuan
Favorite  |  View/Download：99/0  |  Submit date：2024/04/02
Micropit formation  Rolling contact fatigue  Transgranular crack growth  Crystal plasticity model  
一种预测缺陷对高周和超高周疲劳强度影响的方法 专利
发明授权.一种预测缺陷对高周和超高周疲劳强度影响的方法, 授权公告号: CN113392504B, 申请日期: 2021-05-18, 授权公告日期: 2024-02-02
Inventors:  孙成奇;  魏宇杰
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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./通讯作者：Sun, Chengqi, Wang, Wenjing
Authors:  Sun CQ(孙成奇);  Sun, Jian;  Chi WQ(池维乾);  Wang JX(王家璇);  Wang, Wenjing
Adobe PDF(61134Kb)  |  Favorite  |  View/Download：324/46  |  Submit date：2023/10/16
Ti-6Al-4V ELI titanium alloy  Low cycle fatigue  Dwell fatigue  Deformation twinning  Failure mechanism