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Structural Studies of Sputter-Deposited MoS2 Solid Lubricant Films

Published online by Cambridge University Press:  28 February 2011

Michael R. Hilton  and
Paul D. Fleischauer
Michael R. Hilton
Affiliation:
Chemistry and Physics Laboratory, The Aerospace Corporation, P.O. Box 92957, M2-271, Los Angeles, CA 90009
Paul D. Fleischauer
Affiliation:
Chemistry and Physics Laboratory, The Aerospace Corporation, P.O. Box 92957, M2-271, Los Angeles, CA 90009
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Abstract

The relationship between the morphologies and crystal structures of sputter-deposited MoS2 films and their lubricating capabilities is discussed. In particular, aspects of plastic deformation processes are presented. Scanning elecron microscopy (top surface and cross sectional), transmission electron microscopy (lattice imaging and dark field), and x-ray diffraction techniques were used to characterize film structure. The asdeposited morphology, which can be described in terms of zone models, was found to influence the initial nature of the wear debris and the loadbearing capabilities of the films. In many cases a highly deformed region confined to the surface of the films was found. Applied stress was found to reorient crystallites and to induce crystallization, with the degree of both processes being related to the initial structure of the film. Criteria are presented for selecting the film type and preparation conditions to fit various applications.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 140: Symposium S – New Materials Approaches to Tribology: Theory and Applications , 1988 , 227
Copyright
Copyright © Materials Research Society 1989

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