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On the plane contact problem of a functionally graded elastic layer loaded by a frictional sliding flat punch

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Abstract

This article is concerned with the contact mechanics of a functionally graded layer loaded by a frictional sliding flat punch. The coefficient of friction is assumed to be constant and the lower side of the graded layer is firmly attached to a rigid foundation. The graded, nonhomogeneous property of the medium is represented in terms of an exponential variation of the shear modulus, while Poisson’s ratio is taken to be constant. Based on the use of plane elasticity equations and the Fourier integral transform technique, the formulation of the current contact mechanics problem lends itself to a Cauchy-type singular integral equation of the second kind for the unknown contact pressure, which is solved numerically. As a result, the effects of several parameters, i.e., the material nonhomogeneity, the friction coefficient, the punch width, and Poisson’s ratio, on the distributions of the contact pressure and the in-plane surface stress component are presented.

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Authors and Affiliations

  1. School of Mechanical and Automotive Engineering, Kookmin University, Seoul, 136-702, Korea

    Hyung Jip Choi

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  1. Hyung Jip Choi
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Correspondence to Hyung Jip Choi.

Additional information

This paper was recommended for publication in revised form by Associate Editor Seong Beom Lee

Hyung Jip Choi received his B.S. and M.S. in Mechanical Engineering from Yonsei University, Korea, in 1983 and 1985, respectively. He then received his Ph.D. in Engineering Mechanics from Virginia Polytechnic Institute and State University, USA, in 1991. Dr. Choi is currently a Professor at the School of Mechanical and Automotive Engineering, Kookmin University in Seoul, Korea. His research interests are in the field of mixed-boundary value problems in solid mechanics involving crack and contact analyses of multiphase media such as fiber-reinforced composites and functionally graded materials.

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Choi, H.J. On the plane contact problem of a functionally graded elastic layer loaded by a frictional sliding flat punch. J Mech Sci Technol 23, 2703–2713 (2009). https://doi.org/10.1007/s12206-009-0734-4

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  • DOI: https://doi.org/10.1007/s12206-009-0734-4

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