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Composite coating for low friction and wear applications and method thereof

United States Patent

January 20, 1998
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
An article having a multiphase composite lubricant coating of a hard refractory matrix phase of titanium nitride dispersed with particles of a solid lubricating phase of molybdenum disulfide is prepared by heating the article to temperatures between and C. in a reaction vessel at a reduced pressure and passing a gaseous mixture of Ti((CH.sub.3).sub.2 N).sub.4, MoF.sub.6, H.sub.2 S and NH.sub.3 over the heated article forming a multiphase composite lubricant coating on the article.
Besmann; Theodore M. (Oak Ridge, TN), Blau; Peter J. (Oak Ridge, TN), Lee; Woo Y. (Knoxville, TN), Bae; Yong W. (Oak Ridge, TN)
Lockheed Martin Energy Systems, Inc. (Oak Ridge, TN)
08/ 648,456
May 15, 1996
This invention was made with Government support under contract DE-AC05-84OR21400 awarded by the U.S. Department of Energy to Martin Marietta Energy Systems, Inc. and the Government has certain rights in this Invention.