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Title: Sliding contact analysis of functionally graded coating/substrate system
Authors: Alinia, Yadollah
Beheshti, Ali
Güler, Mehmet Ali
El-Borgi, Sami
Polycarpou, Andreas A.
Keywords: Frictional sliding contact
Functionally graded coatings
Fourier transform
Numerical solution
Singular integral equations
Issue Date: Mar-2016
Publisher: Elsevier Science Bv
Source: Alinia, Y., Beheshti, A., Guler, M. A., El-Borgi, S., & Polycarpou, A. A. (2016). Sliding contact analysis of functionally graded coating/substrate system. Mechanics of Materials, 94, 142-155.
Abstract: 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.
ISSN: 0167-6636
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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