摘要
本文利用[1]中给出的有关Ⅰ型裂纹的应力场解,取其前三项,利用等色条纹图中的两点,得到了KI因子的求解公式,并与Irwin方法进行了比较,结果非常令人满意。
In this paper, a new method to determine the stress intensity factor of mode Ⅰ crack by the two points on isochromatic fringe loops has been presented by using the first three terms of series expression of thc near-tip stress field given by Williams in Ref[1]. Then, the method is employed to analyse a wellknown fracture specimen. Compared with the results of Irwin's law, the results obtained by the present mcthod are quite satisfactory.
出处
《哈尔滨工业大学学报》
EI
CAS
CSCD
北大核心
1992年第1期23-27,共5页
Journal of Harbin Institute of Technology
关键词
非奇异项
裂尖
应力强度因子
Nonsingular terms
crack-tip
isochromatic fringe
stress intensity factor
