Removing coatings from ceramic matrix composite substrates

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United States of America Patent

PATENT NO 11053578
APP PUB NO 20180112301A1
SERIAL NO

15786057

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Abstract

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A method for removing a coating including a rare earth silicate from a substrate including a ceramic or ceramic matrix composite may include contacting a coating comprising a rare earth silicate with a liquid comprising an active species. The active species may include at least one of a mineral acid or a base. The method also may include working the coating to cause removal of at least a portion of the coating.

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Patent Owner(s)

Patent OwnerAddress
ROLLS-ROYCE CORPORATION450 S MERIDIAN STREET INDIANAPOLIS IN 46225

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Sunny Carmel, US 9 62
Fairbourn, David C Sandy, US 31 229
Grubbs, Johnny D Clayton, US 2 3

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