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PITTING RESISTANT CARBON COATING

United States Patent Application

20170137926
A1
View the Complete Application at the US Patent & Trademark Office
A hydrogenated diamond-like coating ("H-DLC") for metallic substrates provides improved reliability. The H-DLC is relatively soft and elastic. Unlike hard and/or inelastic coatings in the prior art, the present coatings do not exhibit a loss of adhesion (delamination). A bonding layer may be used between the metallic substrate and the H-DLC. H-DLC coatings can, for example, be used in bearings and gears to reduce the occurrence of micropits and, ultimately, product failure.
Erylimaz, Osman L. (Plainfield, IL), Singh, Harpal (Cuyahoga Falls, OH), Greco, Aaron C. (Chicago, IL), Ramirez Gonzalez, Jair G. (Naperville, IL), Erdemir, Ali (Naperville, IL)
UCHICAGO ARGONNE, LLC (Chicago IL)
14/ 939,604
November 12, 2015
STATEMENT OF GOVERNMENT INTEREST [0001] The United States Government has rights in the invention described herein pursuant to Contract No. DE-AC02-06CH11357 between the United States Department of Energy and UChicago Argonne, LLC, as operator of Argonne National Laboratory.