Patent ID: 9387512
Filing Date: 2016-07-12
CPC Classification: B05D,C04B,F01D,Y10T

Claim Text:
1. A method comprising: identifying a damaged area in an environmental barrier coating of an in-service component; applying a restoration slurry to the damaged area of the environmental barrier coating, wherein the restoration slurry comprises a liquid carrier and a restoration coating material, and wherein the restoration coating material comprises at least two of mullite, a rare earth silicate, a rare earth oxide, alumina, zirconia, hafnia, ZrSiO drying the restoration slurry to form a dried restoration slurry; and heat treating the dried restoration slurry to cause a reaction between the at least two of mullite, the rare earth silicate, the rare earth oxide, alumina, zirconia, hafnia, ZrSiO