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Role of rough surface on contact between magneto-electro-elastic materials and orthotropic solid

Title
Role of rough surface on contact between magneto-electro-elastic materials and orthotropic solid
Author
김태원
Keywords
Magneto-electro-elastic materials; Orthotropic solid; Rough surface; Hertzian contact; Component volume
Issue Date
2015-08
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, v. 99, Page. 187-195
Abstract
The solid materials surfaces will be found to be rough if magnified sufficiently, no matter how flat they may superficially appear to be. This article establishes a model to examine the effect of rough surface on the contact behavior of magneto-electro-elastic materials with partial or full contact with an orthotropic solid pressed by external loading. The lack between the two surfaces is featured by the gap at the peaks of the rough surfaces. It is found that when the external loading is far less than the critical loading, which is the minimum loading to approach the full contact, the relationship between the contact width and external loading, and the surface contact distribution have the same form as between two purely elastic cylinders in the theory of Hertzian contact. Numerical experiments are done to demonstrate how the component volume fraction of magneto-electro-elastic materials affects the contact behavior. Numerical results show that the contact region between magneto-electro-elastic materials and orthotropic solid is dominated by the external loading other than the component volume fraction of magneto-electro-elastic materials. (C) 2015 Elsevier Ltd. All rights reserved.
URI
http://www.sciencedirect.com/science/article/pii/S0020740315002052http://hdl.handle.net/20.500.11754/27033
ISSN
0020-7403; 1879-2162
DOI
10.1016/j.ijmecsci.2015.05.017
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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