Patent ID: 8246807
Filing Date: 2012-08-21
Classification: C23C,C25D,F15B,F41A,Y10S,Y10T

Abstract:
1. A process for forming a coating on an article, said process comprising the steps of: providing an article to be coated; forming a coating having a cobalt material matrix with carbide particles distributed in the cobalt material matrix on said article; said forming step comprising providing an electroplating bath solution having a chemistry of from about 180 to 210 g/l cobalt chloride, from about 0.05 to 2.0 g/l cobalt carbonate, from 45 to 55 g/l ortho-phosphoric acid, and from about 5.0 to 15 g/l of phosphorous acid; said electroplating bath solution providing step further comprising placing a volume of carbide particles in said bath solution sufficient to result in from about 15 to 30 vol % of carbide particles in a final coating; and placing said article in contact with said bath solution and applying a current to deposit said coating onto said article.