Plane contact problem on indentation of a flat punch into a transversely-isotropic half-plane with functionally graded transversely-isotropic coating

被引：0
作者：
A. S. Vasiliev
S. S. Volkov
S. M. Aizikovich
B. I. Mitrin
机构：
[1] Don State Technical University,Research and Education Center “Materials”
[2] National Research Lobachevsky State University of Nizhni Novgorod,Research Institute of Mechanics
来源：
Zeitschrift für angewandte Mathematik und Physik | 2017年 / 68卷
关键词：
Contact problem; Elasticity; Indentation; Functionally-graded material; Coating; Asymptotic methods; Semi-analytical solution; Plane contact; Flat punch; 74B05;
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摘要：
Plane contact problem of the theory of elasticity on indentation of a non-deformable punch with a flat base into an elastic transversely-isotropic half-plane with a transversely-isotropic functionally graded coating is considered. Elastic moduli of the coating vary with depth according to arbitrary functions. An approximated analytical solution effective for a whole range of geometrical parameter (relative layer thickness) of the problem is constructed. Some properties of the contact normal pressure under the punch are obtained analytically and illustrated by the numerical examples for a transversely-isotropic homogeneous and functionally graded coatings with different types of variation of elastic moduli with depth. The distinctions in distribution of contact normal pressure for homogeneous and functionally graded materials, coated and non-coated bodies are studied analytically and numerically.
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