Abstract
A method of repairing a damaged area of a thermal barrier coating on a component which is subjected to a hostile thermal environment, which comprises cleaning the damaged area, applying a partially stabilized zirconium sol-gel to the area, and pyrolizing the sol-gel to form a TBC repair layer.
Patent Number
6,235,352
Date Of Issue
Inventors
Gerald R. Leverant; Narayana S. Cheruvu; Partha P. Paul; Stuart T. Schwab