Sacrificial coating for fluoride ion cleaning

Details Sacrificial coating for fluoride ion cleaning Sacrificial coating for fluoride ion cleaning

2011-02-08

2011-02-08

Chen, Bret (Department: 1715)

Coating processes

Coating by vapor, gas, or smoke

C427S255110, C427S140000

Reexamination Certificate

active

07883743

ABSTRACT:
A method of repairing a defect in a gas turbine engine component includes exposing the defect to a chemically reducing gas to clean the defect surface of undesired particles and oxidation. Before the cleaning, a protective coating is applied to the defect surface to resist inter-granular attack during the cleaning process.

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Search Report Apr. 7, 2006.

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