Sliding contact analysis of functionally graded coating/substrate system

被引：53
作者：
Alinia, Yadollah [1 ]
Beheshti, Ali [2 ,3 ]
Guler, Mehmet A. [4 ]
El-Borgi, Sami [5 ,6 ]
Polycarpou, Andreas A. [3 ]
机构：
[1] Hakim Sabzevari Univ, Dept Mech Engn, Sabzevar, Iran
[2] Lamar Univ, Dept Mech Engn, Beaumont, TX 77710 USA
[3] Texas A&M Univ, Dept Mech Engn, College Stn, TX 77843 USA
[4] TOBB Univ Econ & Technol, Dept Mech Engn, TR-06560 Ankara, Turkey
[5] Texas A&M Univ Qatar, Mech Engn Program, POB 23874, Doha, Qatar
[6] Univ Carthage, Tunisia Polytech Sch, Appl Mech & Syst Res Lab, BP 743, La Marsa 2078, Tunisia
来源：
MECHANICS OF MATERIALS | 2016年 / 94卷
关键词：
Frictional sliding contact; Functionally graded coatings; Fourier transform; Numerical solution; Singular integral equations; DIAMOND-LIKE CARBON; INHOMOGENEOUS ORTHOTROPIC MEDIUM; HOMOGENEOUS SUBSTRATE; ELASTIC PROPERTIES; FRICTIONAL CONTACT; MAGNETIC STORAGE; SURFACE CRACK; HVOF COATINGS; PLANE PROBLEM; DLC COATINGS;
D O I：
10.1016/j.mechmat.2015.11.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We consider in this paper the fully coupled contact problem between a rigid cylinder and a functionally graded coating bonded to a homogeneous substrate system under plane strain and generalized plane stress sliding conditions. Employing Fourier transform, the plane elasticity equations are converted analytically into Singular Integral Equations, which are then solved numerically to yield the contact stresses as well as the subsurface stresses throughout the medium for plane strain condition. The surface stress distributions as well as the contour plots for normalized von Mises stresses are provided. The effect of the different parameters such as the non-homogeneity coefficient, coating/substrate material properties and the friction coefficient on the surface tractions and von Mises stress distributions are investigated. Also discussed, are the advantages and disadvantages of using functionally graded coatings as compared to conventional homogenous coatings. (C) 2015 Elsevier Ltd. All rights reserved.
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收藏
页码：142 / 155
页数：14
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