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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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View/Download:17/0
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Submit date:2024/04/02
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
Adobe PDF(61134Kb)
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  |  
Submit date: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
Authors:
Li G(李根)
;
Guo YY(郭艺云)
;
Rui SS(芮少石)
;
Sun CQ(孙成奇)
Adobe PDF(18488Kb)
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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)
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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)
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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)
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View/Download:169/3
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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)
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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
image/png(1663Kb)
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Submit date:2023/12/20
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)
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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)
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  |  
Submit date:2023/02/09
machine learning
nickel-based superalloy
fatigue strength prediction
temperature
stress ratio