超高周疲劳的研究进展  

Research and development on ultra high cycle fatigue

作　　者：关昕[1] 孟延军[1] 

机构地区：[1]河北工业职业技术学院材料工程系,河北石家庄050091

出　　处：《钢铁研究》2009年第1期58-62,共5页Research on Iron and Steel

摘　　要：论述了超高周疲劳研究的背景及意义,总结了近年来超高周疲劳的研究成果包括超高周疲劳的典型特征如S-N曲线、裂纹起源、起裂机理、影响超高周疲劳行为的因素等,介绍了超高周疲劳的常用实验手段,提出了今后超高周疲劳研究的课题。The background and significance of research in the field of ultra high cycle fatigue are introduced in the paper. Main research achievements obtained in recent years, including its characteristics such as S-N curve, fatigue crack initiation, initiation mechanism, influencing factors of ultra high fatigue behaviors are summarized. In addition, the conventional experimental methods and future research tasks of ultra high cycle fatigue are discussed.

关 键 词：超高周疲劳 S-N曲线 疲劳裂纹萌生 超声疲劳实验 

分 类 号：TG115.57[金属学及工艺—物理冶金]