Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7723
Title: Tractive rolling contact mechanics of graded coatings
Authors: Güler, Mehmet Ali
Adibnazari, Saeed
Alinia, Yadolah
Keywords: Contact mechanics
Rolling contact
Functionally graded materials
Singular integral equations
Contact stresses
Issue Date: 2012
Publisher: Pergamon-Elsevier Science Ltd
Abstract: In this study, the tractive rolling contact problem between a rigid cylinder and a graded coating is investigated. The main objective of this study is to investigate the effect of the stiffness ratio, the coefficient of friction and the coating thickness on the surface contact tractions, the surface in-plane stress, the stick zone length and the creep ratio parameter that may have a bearing on the fatigue life of the component. Assuming that the shear modulus varies exponentially through the thickness of the coating, the governing integral equations associated with the rolling contact problem are constructed. Furthermore, it is supposed that the contact patch is controlled by a central stick zone accompanied by two slip zones. The conventional Goodman approximation is employed in order to decouple the governing singular integral equations. Finally, the numerical solution of the integral equations is obtained by applying the Gauss-Chebyshev integration method. (c) 2011 Elsevier Ltd. All rights reserved.
URI: https://doi.org/10.1016/j.ijsolstr.2011.12.005
https://hdl.handle.net/20.500.11851/7723
ISSN: 0020-7683
1879-2146
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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