Coating composition and method
AssigneeEnergy Conversion Devices, Inc.
InventorsStanford R. Ovshinsky, John E. Keem, James D. Flasck, Richard C. Bergeron, John E. Tyler
Life of this patent
Estimating the term…
Abstract
Coatings and methods for forming same are provided. Generally, the coatings are wear resistant disordered coatings of at least one nonmetallic element and a transition metal that are deposited on an article surface, such as a tool surface or other surface that is subjected to wear or friction. The resulting tools generally exhibit increased life with excellent lubricity thereby improving the surface finish of workpieces machined therewith. Adherence coatings are provided for achieving improved adherence of the wear resistant coating to the substrate.
Claims30
A wear resistant coating formed on a substrate comprising a wear resistant layer of disordered material consisting of at least one transition metal selected from the group consisting of hafnium, niobium, molybdenum, scandium, tantalum, titanium, vanadium, yttrium, and zirconium, and at least one nonmetallic element selected from the group consisting of boron, carbon, nitrogen and oxygen.
A coating formed on a substrate comprising a wear resistant disordered layer consisting of boron and at least one transition metal selected from the group consisting of hafnium, niobium, molybdenum, scandium, tantalum, titanium, vanadium, yttrium and zirconium.
A tool comprising:
- (a) a substrate;
- and
- (b) a wear resistant coating comprising a wear resistant layer of disordered material coating covering at least a portion of said substrate said layer consisting of at least one nonmetallic element selected from the group consisting of boron, carbon, nitrogen, and oxygen and at least one transition metal selected from the group consisting of scandium, titanium, vanadium, yttrium, zirconium, niobium, molybdenum, hafnium and tantalum.
Dependencies are inferred from the claim text.