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Computational Modeling and Design of Adaptive Thin-Film Composite Coatings

Published online by Cambridge University Press:  26 February 2011

James Deon Pearson ,
Mohammed A. Zikry  and
Omid Rezvanian
James Deon Pearson
Affiliation:
[email protected]. North Carolina State University, Department of Mechanical and Aerospace Engineering, Raleigh, NC, 27695-7910, United States
Mohammed A. Zikry
Affiliation:
[email protected], North Carolina State University, Department of Mechanical and Aerospace Engineering, Raleigh, NC, 27695-7910, United States
Omid Rezvanian
Affiliation:
[email protected], North Carolina State University, Department of Mechanical and Aerospace Engineering, Raleigh, NC, 27695-7910, United States
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Abstract

The tailoring of thin film coatings comprised of high strength constituents, such as diamond like carbon and partially stabilized zirconia and ductile constituents, such as gold and molybdenum is investigated by new microstructurally-based finite-element techniques for applications related to the wear, durability, and performance of these coatings over a broad range of temperatures and loading conditions. The effects of contact transfer films, grain-shape sizes and distributions, grain-boundary structure and sliding, texture, and strength are used to determine the optimal thin film coating compositions. Comparisons are made with experimental measurements and observations, and guidelines for optimal thin film composite coatings are proposed.

Keywords

coatingsimulationcomposite
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 977: Symposium FF – Processing-Structure-Mechanical Property Relations in Composite Materials , 2006 , 977-FF08-10
Copyright
Copyright © Materials Research Society 2007

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