用全息散斑法测定界面裂尖复合应力强度因子K_o  

Determination of Stress Intensity Factors for Cracks at the Interface of Bixmaterial by Laser Speckle Photography

作　　者：赵文成[1] 

机构地区：[1]上海机械学院机械工程系

出　　处：《上海机械学院学报》1989年第1期93-98,共6页

摘　　要：本文应用全息散斑照相技术和复势理论,对界面裂尖附近的位移进行测量和分析,计算出界面裂尖的复合应力强度因子。最后,与有限元法算得的复合强度因子进行比较,结果一致,说明此方法是成功的。This article is intended to show how an experiment by laser speckle interferomerry is carried out to determine the stress intensity factors for cracks at the interface of bixmaterial. Test results gained by this method are highly satisfactory,

关 键 词：应力强度因子 界面断裂 干涉测量法 

分 类 号：O348[理学—固体力学]