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The behavior of crack initiation and early growth in high-cycle and very-high-cycle fatigue regimes for a titanium alloy 会议论文
4th IJFatigue and FFEMS Joint Workshop on Characterisation of Crack Tip Fields, Bonifacio, FRANCE, APR 10-12, 2017
Authors:  Pan XN(潘向南);  Su H(苏杭);  Sun CQ(孙成奇);  Hong YS(洪友士)
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Very-high-cycle fatigue  Crack initiation  Mean stress  Titanium alloy  Equiaxed microstructure  
The nature and the mechanism of crack initiation and early growth for very-high-cycle fatigue of metallic materials - An overview 会议论文
21st European Conference on Fracture (ECF), Catania, ITALY, JUN 20-24, 2016
Authors:  Hong YS(洪友士);  Sun CQ(孙成奇);  Hong, YS (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
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High-strength Steels  Chromium-bearing Steel  Regime N-greater-than-10(7) Cycles  Severe Plastic-deformation  Ion Mass-spectrometry  Long-life Fatigue  Very-high-cycle Fatigue  Fatigue Crack Initiation  Fine-granular-area  Nanograins  High-strength Steels  Titanium Alloyss-n Curve  Ti-6al-4v Alloy  Propagation Mechanism  Ultrasonic Frequency  
梯度强化材料中疲劳裂纹扩展的扩展有限元模拟 会议论文
第三届中国超高周疲劳学术会议, 中国四川成都, 2016-07-08
Authors:  张诗佳;  谢季佳;  孙成奇;  洪友士
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梯度强化材料  疲劳裂纹扩展  扩展有限元  内聚力模型  残余应力  
微小表面缺陷对高强钢超高周疲劳的影响 会议论文
第三届中国超高周疲劳学术会议, 中国四川成都, 2016-07-08
Authors:  姜青青;  孙成奇;  刘小龙;  洪友士
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高强钢  超高周疲劳  表面缺陷  微观观察  
高强钢超高周疲劳寿命预测模型和P-S-N曲线快速估计 会议论文
第三届中国超高周疲劳学术会议, 中国四川成都, 2016-07-08
Authors:  孙成奇;  洪友士
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高强钢  超高周疲劳  寿命预测  P-s-n曲线估计  
近门槛区疲劳裂纹扩展速率模型描述 会议论文
第十八届全国疲劳与断裂学术会议, 中国河南郑州, 2016-04-15
Authors:  孙成奇;  洪友士
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合金材料  裂纹扩展速率  模型描述  
微结构和应力比对Ti-6Al-4V高周和超高周疲劳行为的影响 会议论文
第十八届全国疲劳与断裂学术会议, 中国河南郑州, 2016-04-15
Authors:  刘小龙;  孙成奇;  洪友士
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Ti-6al-4v  超高周疲劳  微结构  应力比  滑移机制  解理机制  
表层强化材料中梯度微结构和残余应力对Ⅰ型疲劳裂纹扩展的影响 会议论文
第十八届全国疲劳与断裂学术会议, 中国河南郑州, 2016-04-15
Authors:  张诗佳;  谢季佳;  孙成奇;  洪友士
View  |  Adobe PDF(125Kb)  |  Favorite  |  View/Download:226/79  |  Submit date:2017/09/27
残余应力  疲劳裂纹扩展  显微结构  梯度强化材料  疲劳裂纹门槛值  
一种新的“并行升降法”及其在疲劳实验研究的应用 会议论文
第十八届全国疲劳与断裂学术会议, 中国河南郑州, 2016-04-15
Authors:  姜青青;  谢季佳;  孙成奇;  洪友士
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升降法  超高周疲劳  Monte Carlo方法  
The formation mechanism of characteristic region at crack initiation for very-high-cycle fatigue of high-strength steels 会议论文
3rd International Conference on Characterisation of Crack Tip Fields, Urbino, ITALY, APR 20-22, 2015
Authors:  Hong YS(洪友士);  Liu XL(刘小龙);  Lei ZQ(雷铮强);  Sun CQ(孙成奇);  Hong, YS (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
View  |  Adobe PDF(3960Kb)  |  Favorite  |  View/Download:87/25  |  Submit date:2017/05/12
Very-high-cycle Fatigue  Fatigue Crack Initiation  Fine-granular-area  Nanograins  High-strength Steels  Chromium-bearing Steel  Long-life Fatigue  N-greater-than-10(7) Cycles  Residual-stresses  Vhcf-regime  Behavior  Inclusions  Propagation  Damage  Size