U.S. 8,187,989 B2
United Technologies has been granted a patent for a coating comprised of 30% to 80% weight of a hard carbide material and 20% to 70% weight of a lubricating material incorporated with the hard car- bide material, wherein the thermal spray process is selected from a group consist- ing of a high-velocity oxyfuel process and a plasma spraying process, and wherein the hard carbide material and lubricat- ing material are co-sprayed onto the sub- strate.
United Technologies Patents Durable Coating
Published December 20, 2012
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