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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
作者:  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
作者:  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  
Faceted crack initiation characteristics for high-cycle and very-high-cycle fatigue of a titanium alloy under different stress ratios 会议论文
5th International Conference on Crack Paths (CP), Ferrara, ITALY, SEP, 2015
作者:  Liu XL(刘小龙);  Sun CQ(孙成奇);  Hong YS(洪友士);  Hong, YS (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
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Ti-6al-4v Alloy  Faceted Crack Initiation  Very-high-cycle Fatigue  Stress Ratio  Cluster Of Primary Alpha Grains  Competing Failure Modes  Poisson Defect Statistics  Ti-6al-4v Alloy  Structural-materials  Mean Stress  Strength  Microstructure  Behavior  Duality  Surface  
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
作者:  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.
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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  
微结构对25CrMo4钢的高周、超高周疲劳行为的影响 会议论文
中国力学大会——2013, 中国北京, 2013-08-19
作者:  张晓乐;  李亚波;  谢季佳;  洪友士
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超高周疲劳  微结构  车轴钢  旋转弯曲疲劳  疲劳断裂  疲劳断口  试样  回火索氏体  高强钢  低温回火  回火马氏体  珠光体  断口分析  高温回火  “鱼眼  热处理方式  亚表面  裂纹  铁素体  形貌  
超高周疲劳裂纹萌生和初始扩展的机理与模型 会议论文
中国力学大会——2013, 中国北京, 2013-08-19
作者:  洪友士;  孙成奇;  雷铮强
浏览  |  Adobe PDF(903Kb)  |  收藏  |  浏览/下载:584/130  |  提交时间:2014/04/02
超高周疲劳  裂纹萌生  扩展的  机理  细晶区  模型分析  裂纹源  疲劳寿命估算  “鱼眼  高强钢  高强材料  夹杂物  加载  应力比  实验结果分析  材料强度  恒定  变化趋势  应力强度因子  尺寸:0  
Fatigue strength and crack initiation mechanism of very-high-cycle fatigue for low alloy steels 会议论文
8th Symposium on Bulk Metallic Glasses (BMGs)/TMC Annual Meeting and Exhibition, San Diego, CA, FEB 27-MAR 03, 2011
作者:  Hong YS(洪友士);  Zhao AG(赵爱国);  Qian GA(钱桂安);  Zhou CE(周承恩);  Hong, YS (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Adobe PDF(1035Kb)  |  收藏  |  浏览/下载:906/153  |  提交时间:2013/02/26
Chromium-bearing Steel  Long-life Fatigue  S-n Curve  Metallic Materials  Behavior  Failure  Regime  Stress  
高强钢超高周疲劳裂纹萌生和初始扩展的机理与模型 会议论文
第16届全国疲劳与断裂学术会议会议, 中国福建厦门, 2012-11-02
作者:  洪友士;  孙成奇
浏览  |  Adobe PDF(155Kb)  |  收藏  |  浏览/下载:593/187  |  提交时间:2014/04/02
超高周疲劳  0裂纹萌生  高强钢  细晶区  扩展的  机理  裂纹源  模型分析  “鱼眼  疲劳寿命  裂纹损伤  夹杂物  加载  应力比  实验结果分析  材料强度  疲劳损伤  恒定  变化趋势  应力强度因子  
A micromechanical model for deformation behavior of nanocrystalline copper 会议论文
2010 International Conference on Advances in Materials and Manufacturing Processes, ICAMMP 2010, Shenzhen, China, NOV 06-08, 2010
作者:  Lan JX(兰姣霞);  Wu YZ(吴永中);  Hong YS(洪友士);  Lan JX
浏览  |  Adobe PDF(353Kb)  |  收藏  |  浏览/下载:550/133  |  提交时间:2013/02/26
Algorithms  Copper  Deformation  Grain Boundaries  Grain Size And Shape  Materials  Micromechanics  Molecular Dynamics  Strain Energy  Deformation Behavior  Deformation Mechanism  Developed Model  Experimental Values  Grain Shapes  Grain Size  Internal Variable Theory  Iteration Algorithms  Micromechanical Model  Molecular Dynamics Simulations  Nanocrystalline Copper  Nanocrystallines  Pure Copper  Statistical Distribution  Stress Strain Relation  Uniaxial Tensions  
A simulation on microstructure sensitivity to very-high-cycle fatigue behavior of metallic materials 会议论文
The 1st International Symposium on Archimedes Bridge, Qiandao Lake, China, 2010-10
作者:  Lei ZQ(雷铮强);  Xie JJ(谢季佳);  Zhao AG(赵爱国);  Hong YS(洪友士)
浏览  |  Adobe PDF(247Kb)  |  收藏  |  浏览/下载:203/93  |  提交时间:2015/07/20