摘要
本文对拉伸、弯曲以及它们的组合载荷作用下三维表面疲劳裂纹扩展过程中其形状的变化规律进行了理论推导和实验验证，并提出了弯曲载荷作用下裂纹形状比的实验公式。
This paper presents a method to describe the shape changes of three-dimensional surface cracks under constant amplitude fatigue in tension, bending, and their composite loading, the analysis results were discussed with the experimental data. A law for describing the aspect ratio of a surface crack in fatigue under bending loads was also proposed.
出处
《华南理工大学学报（自然科学版）》
EI
CAS
CSCD
1996年第8期37-43,共7页
Journal of South China University of Technology(Natural Science Edition)
基金
国家教委留学回国人员基金
华南理工大学自然科学基金
关键词
裂纹形状
表面裂纹
疲劳
crack shape
surface crack
fatigue
