A partially insulated interface crack between a graded orthotropic coating and a homogeneous orthotropic substrate under heat flux supply

被引：48
|
作者：
Zhou, Yueting [1 ,2 ]
Li, Xing [2 ]
Yu, Dehao [1 ]
机构：
[1] Chinese Acad Sci, Acad Math & Syst Sci, ICMSEC, LSEC, Beijing 100190, Peoples R China
[2] Ningxia Univ, Sch Math & Comp Sci, Yinchuan 750021, Peoples R China
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2010年 / 47卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Orthotropic functionally graded materials (FGMs); Heat flux; Thermal resistance; Higher order asymptotic expansion; Stress intensity factors (SIFs); STRESS INTENSITY FACTORS; FRACTURE-MECHANICS ANALYSIS; MODE-III CRACK; THERMAL-STRESSES; EDGE CRACK; DYNAMIC-BEHAVIOR; FINITE CRACK; STRIP; PLANE; IMPACT;
D O I：
10.1016/j.ijsolstr.2009.11.009
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this paper, thermal response of an orthotropic functionally graded coating-substrate structure with a partially insulated interface crack under heat flux supply is considered. It is assumed that there exists thermal resistance to heat conduction through the crack region. The mixed boundary value problems are reduced to a system of singular integral equations and solved numerically. Higher order asymptotic terms for the singular integral kernels are considered to improve the accuracy and the convergence efficiency of the numerical integrals. Numerical results are presented to show the effects of the orthotropy parameters, thermo-elastic nonhomogeneity parameters, and dimensionless thermal resistance on the temperature distribution and the thermal stress intensity factors (SIFs). (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：768 / 778
页数：11
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