Patent Number: 6,305,077

Title: Repair of coated turbine components

Abstract: A gas turbine engine hot section component having a ceramic thermal barrier coating is repaired by removing the ceramic thermal barrier coating, removing oxidation products and corrosion products from the metallic bond coating beneath the ceramic thermal barrier coating, applying a noble metal to the component, diffusing the noble metal into the component substrate, and aluminiding the component to provide an outermost noble metal-Al layer.

Inventors: Conner; Jeffrey A. (Hamilton, OH), Weimer; Michael J. (Loveland, OH)

Assignee: General Electric Company

International Classification: C23C 10/02 (20060101); C23C 10/00 (20060101); C23C 10/58 (20060101); B23P 006/00 ()

Expiration Date: 10/23/2018