Patent ID: 8551569
Filing Date: 2013-10-08
Classification: B32B,F16C,Y10T

Abstract:
1. A method of making a sliding element, comprising: preparing a metallic backing material of the sliding element having a roughened or porous surface; forming an overlay on the roughened or porous backing material having a thickness greater than 50 μm by applying a paste made up of a composition of 40 to 70 vol % of a fluoropolymer material including at least PTFE and 60 to 20 vol % of at least one high temperature polymer relative to the total volume of the composition of the overlay, wherein the at least one high temperature polymer is selected to have a melting point or glass transition point of not less than 327° C., and wherein the paste is heat treated to cure and bond the overlay to the backing material and wherein the high temperature polymer is selected to comprise at least one material selected from the group consisting of: polyphenylene sulfone (PPSO