摘要
本文对飞机发动机部位常用典型壁板结构的高温声疲劳试验进行了论述．其内容涉及环境模拟、声场测量、声疲劳载荷谱的确定、高温环境下裂纹监测、高温下一阶频率确定等问题．
The methods of sonic fatigue test for panel structures near aircraft engine are presented. Techniques for environment simulation, sonic fatigue measurement, determination of loading spectrum, inspection of crack growth in high temperature environment, and for the identification of the fundamental frequency of the panel structure are discussed. Testing results for a typical panel structure of GH140 material are given.
出处
《实验力学》
CSCD
北大核心
1997年第4期593-598,共6页
Journal of Experimental Mechanics
关键词
声疲劳
壁板
行波管
飞机结构
壁板
sonic fatigue, panel structure, wave tube, testing technique
