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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.
浏览  |  Adobe PDF(7940Kb)  |  收藏  |  浏览/下载：337/150  |  提交时间：2018/01/16
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.
浏览  |  Adobe PDF(2579Kb)  |  收藏  |  浏览/下载：382/76  |  提交时间：2017/05/12
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  
Investigation on micro-hardness with shear strain extent for copper specimens subjected to high pressure torsion 会议论文
International Conference on Experimental Mechanics 2008, ICEM 2008, Nanjing, China, November 8, 2008 - November 8, 2008
作者:  Liu Y;  Hong YS(洪友士);  Fan KK;  Ji XD;  Liu, Y. (yuanliu2009@gmail.com)
浏览  |  Adobe PDF(473Kb)  |  收藏  |  浏览/下载：164/50  |  提交时间：2017/07/14
Crystal Particles  Grain Size  Grain Size Refinement  High Pressure Torsions  Mechanical Performance  Metal Materials  Radius Direction  Saturation State  Spatial Distribution  
Study on fatigue crack nucleation of electrodeposited nanocrystalline nickel 会议论文
7th International Conference on Fracture and Strength of Solids, Urumqi, PEOPLES R CHINA, AUG 27-29, 2007
作者:  Xie JJ(谢季佳);  Wu XL(武晓雷);  Hong YS(洪友士);  Xie JJ
浏览  |  Adobe PDF(2061Kb)  |  收藏  |  浏览/下载：991/174  |  提交时间：2009/07/23
Nanocrystalline  Fatigue Crack Nucleation  Nickel  Atomic Force Microscopy  Roughness  Metals  Deformation  Behavior  Creep  Alloys  Copper  Twins  
Microstructure and mechanical properties of copper subjected to high pressure torsion 会议论文
International Conference on Heterogeneous Material Mechanics (ICHMM), Huangshan, PEOPLES R CHINA, JUN 03-08, 2008
作者:  Xie ZL(谢子令);  Hong YS(洪友士);  Xie ZL
Adobe PDF(365Kb)  |  收藏  |  浏览/下载：551/81  |  提交时间：2009/07/23
Copper  Microstructure  Microhardness  High Pressure Torsion  Microhardness  
激光熔覆表层与基体界面区的力学性质分布特征 会议论文
“力学2011”学术大会, 中国北京, 2000-8-1
作者:  武晓雷;  洪友士
Unknown(78Kb)  |  收藏  |  浏览/下载：250/99  |  提交时间：2014/02/14
硬度  弹性模量  激光熔覆