Erosion and corrosion resistant coatings, methods and articles

US8790789B2 · kind B2 · utility

Assignee

• General Electric Company · US

Inventors

• Thodla Ramgopal · Savanuru, IN
• Krishnamurthy Anand · Bengaluru, IN
• David Vincent Bucci · Simpsonville, US
• Nitin Jayaprakash · Savanuru, IN
• Jane Marie Lipkin · Niskayuna, US
• Tamara Jean Muth · Ballston Lake, US
• Surinder Singh Pabla · Greer, US
• Vinod Kumar Pareek · Albany, US
• Guru Prasad Sundararajan · Bengaluru, IN

Key dates

• Filing date: May 29, 2008
• Grant date: Jul 29, 2014
• Expiry date: May 1, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/12937
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

Disclosed herein is an erosion and corrosion resistant coating comprising a metallic binder, a plurality of hard particles, and a plurality of sacrificial particles. Also disclosed is a method of improving erosion and corrosion resistance of a metal component comprising disposing on a surface of the metal component the foregoing erosion and corrosion resistant coating comprising, and a metal component comprising a metal component surface and the foregoing erosion and corrosion resistant coating comprising a first surface and a second surface opposite the first surface, wherein the first surface is disposed on the metal component surface.