Analytic solutions of multiple moving cracks in an orthotropic layer bonded to an orthotropic FGM coating

被引：25

作者：

Ayatollahi, Mojtaba ^{[1
]}

Bagheri, Rasul ^{[2
]}

Nourazar, Mahsa ^{[1
]}

Monfared, Mojtaba Mahmoudi ^{[3
]}

Mousavi, S. Mahmoud ^{[4
]}

机构：

[1] Univ Zanjan, Fac Engn, POB 45195-313, Zanjan, Iran

[2] Islamic Azad Univ, Karaj Branch, Dept Mech Engn, Alborz, Iran

[3] Islamic Azad Univ, Hashtgerd Branch, Dept Mech Engn, POB 33615-178, Alborz, Iran

[4] Aalto Univ, Dept Civil & Struct Engn, POB 12100, FI-00076 Aalto, Finland

来源：

APPLIED MATHEMATICS AND COMPUTATION | 2017年 / 293卷

关键词：

Antiplane; Orthotropic strip; Imperfect FGM orthotropic coating; Multiple cracks; Stress intensity factors; VARYING ELASTIC PROPERTIES; FUNCTIONALLY GRADED STRIP; HOMOGENEOUS SUBSTRATE; ANTIPLANE ANALYSIS; GRIFFITH CRACK; PROPAGATION; COMPOSITES; INTERFACE; DEFECTS; SHEAR;

D O I：

10.1016/j.amc.2016.08.015

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

In this paper, the dynamic behavior of an orthotropic substrate weakened by moving cracks and reinforced by a non-homogenous coating is studied. First, the solution to the screw dislocation in an orthotropic strip with imperfect orthotropic functionally graded coating is obtained. Then, for the anti-plane analysis of cracks, the screw dislocations are distributed along the crack lines and the dislocation solution is used to derive integral equations for dislocation density functions on the surface of cracks. The effects of non homogeneity parameters, geometrical parameters and bonding coefficient on the stress intensity factors are investigated. (C) 2016 Elsevier Inc. All rights reserved.

引用

页码：394 / 403

页数：10

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