摘要
概述了随机疲劳寿命特性研究的发展及理论基础 ,从常规疲劳特性 P- S- N曲线的研究、疲劳裂纹扩展率统计模型研究现状以及损伤力学理论在疲劳强度中的研究及展望来综述现有随机疲劳破坏寿命分布统计特性曲线的研究方法和工程应用 ,同时介绍该领域研究的新成果、新方法 。
The development and theory basis are reviewed on investigations of random fatigue life characteristics The statistical investigation methods used for life distribution and engineering applications are generalized. Characteristic curves of random fatigue failure,and new results and new mothods are introduced into this research field Opinions are given to further develop the randomness research of fatigue failure