Method of removing contaminants from a diffusion-coated component

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United States of America

PATENT NO 12138669
APP PUB NO 20220288653A1
SERIAL NO

17665882

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Abstract

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A method of removing contaminants from a surface of a gas turbine engine component protected by a diffusion coating that comprises an additive layer on the surface of the component and a diffusion zone in the surface of the component. The method includes subjecting the surface containing contaminants to laser beam pulses to remove contaminants from the component such that contaminants on the surface of the component are removed without damaging or removing the diffusion zone of the diffusion coating. Methods for controlled removal of at least a portion of a thickness of a diffusion coating from a coated superalloy component are also provided.

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Patent Owner(s)

Patent OwnerAddress
GENERAL ELECTRIC COMPANY1 NEUMANN WAY EVENDALE OH 45215

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chomka, Michal Warsaw, PL 2 0
Cyrek, Michal Jerzy Warsaw, PL 4 1
Shao, Mingjia Shanghai, CN 2 0

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