Stress Intensity Factors near Interface Crack Tip of Two Dissimilar Orthotropic Composite Material

李俊林; 张少琴; 杨维阳

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Stress Intensity Factors near Interface Crack Tip of Two Dissimilar Orthotropic Composite Material

更新时间：2026-09-14

- Stress Intensity Factors near Interface Crack Tip of Two Dissimilar Orthotropic Composite Material
- 正交异性复合材料板界面裂纹尖端应力强度因子
- Issue 5, Pages: 380-383(2006)
- 作者机构：
  
  太原科技大学应用科学学院
- 作者简介：
- 基金信息：
- DOI：
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- Published：2006
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李俊林, 张少琴, 杨维阳. Stress Intensity Factors near Interface Crack Tip of Two Dissimilar Orthotropic Composite Material[J]. 2006, (5): 380-383.
DOI：

李俊林, 张少琴, 杨维阳. Stress Intensity Factors near Interface Crack Tip of Two Dissimilar Orthotropic Composite Material[J]. 2006, (5): 380-383. DOI：

摘要

研究了两种不同的正交异性复合材料板受对称载荷作用的界面裂纹问题.据弹性力学理论、断裂力学知识

给出了该问题的力学模型:一类偏微分方程边值问题.通过引入特殊的应力函数

采用复变函数方法和待定系数法求解了八阶齐次线性方程组

推出了两种相异正交异性复合材料板的双材料弹性常数的计算公式

得到了受对称载荷作用的界面裂纹尖端应力强度因子的计算公式

给出了一个工程应用算例.其结果在相关断裂分析的理论研究与实际应用中具有重要的参考价值.

Abstract

The interlaminar fracture between two dissimilar orthotropic composite materials interface crack problem subjected to symmetric loadings is studied.According to elastic mechanics theories and fracture mechanics knowledge

the mechanics models for boundary value problem to a class of partial differential equations are presented.By introducing special stress functions

we find solutions of eighth order homogeneous linear equation set with complex functions method and approach of undetermined coefficients

deduce calculation formulas of bi-material elastic constants for two dissimilar orthotropic composite materials.The expressions of stress intensity factors near finite interface crack tip subjected to symmetric loadings are derived.A engineering application numerical example is given.The results have certain referential value with respect to practical application and theorial study in related fracture analysis.

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references

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列赫尼茨基C T.各向异性板[M].胡海昌译.北京:科学出版社,1963:241-250.

L iebow ite H,Corten H T.F ractare M echan ics of Com pos ite[M].N ew Y ork:A cadem ic P ress,1972:695-703.

Zhang Shaoq in,Y ang W e iyang.A N ew F racture C riterion for Com pos ite M ateria ls[M](Eng lish Ed ition).B e ijing:T he Pub lish ing House of O rdnance Industry,2000:36-54.

杨维阳,李俊林,张雪霞.复合材料断裂复变方法[M].北京:科学出版社,2005:26-32.

X iao F,Hu i C Y.A boundary e lem en ta lm ethod for ca lcu lating the K fie ld for cracks a long a b im ateria l in terface[J].Com pu tationa lM echan ics.1994,15:58-78.

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