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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
作者:  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)
收藏  |  浏览/下载：266/0  |  提交时间：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
作者:  Guo YY(郭艺云);  Wu, Lei;  Shang, Yibo;  Sun CQ(孙成奇)
收藏  |  浏览/下载：90/0  |  提交时间：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
作者:  Wu H(仵涵);  Wang SS(王赛赛);  Xu, Wei;  Sun CQ(孙成奇)
收藏  |  浏览/下载：29/0  |  提交时间：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
作者:  Rui SS(芮少石);  Wei, Shaolou;  Sun CQ(孙成奇)
收藏  |  浏览/下载：101/0  |  提交时间：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
作者:  Wang, Lei;  Ye, Cong;  Sun CQ(孙成奇);  Feng, Shichao;  Xie, Xiaozhong;  Gao, Yuan;  Zhao K(赵坤);  Li, Yanqing;  Wan, Zhengquan
收藏  |  浏览/下载：75/0  |  提交时间：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
作者:  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)
收藏  |  浏览/下载：68/0  |  提交时间：2024/06/14
Size effect  Fatigue life  Control volume  Probabilistic analysis  Titanium alloy  
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
作者:  Han, Xinqi;  Li, Shuxin;  Sun CQ(孙成奇);  Lu, Siyuan
收藏  |  浏览/下载：94/0  |  提交时间：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
发明专利. 一种预测缺陷对高周和超高周疲劳强度影响的方法, 专利号: CN113392504B, 申请日期: 2021-05-18,
发明人:  孙成奇;  魏宇杰
Adobe PDF(2014Kb)  |  收藏  |  浏览/下载：23/10  |  提交时间：2024/12/10
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
作者:  Sun CQ(孙成奇);  Sun, Jian;  Chi WQ(池维乾);  Wang JX(王家璇);  Wang, Wenjing
Adobe PDF(61134Kb)  |  收藏  |  浏览/下载：283/44  |  提交时间：2023/10/16
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./通讯作者：Rui, SS, Sun, CQ (corresponding author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
作者:  Li G(李根);  Guo YY(郭艺云);  Rui SS(芮少石);  Sun CQ(孙成奇)
Adobe PDF(18488Kb)  |  收藏  |  浏览/下载：141/27  |  提交时间：2023/09/26
TC17 titanium alloy  Low and high cycle fatigue  Failure mechanism  High temperature  Surface oxidation