Barrier coating and penetrant providing oxidation protection for

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428220, 428408, 428457, 428646, 428332, 428334, 427343, 427380, B32B 702, B32B 900, B32B15104, B05D 302

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active

048370738

ABSTRACT:
The invention provides a method for utilizing the inherent oxygen-blocking characteristics of a barrier coating for a carbon-carbon material by penetrating cracked, porous areas of the coating with an oxygen inhibitor. The inhibitor will complex with active carbon-carbon material sites at the base of the cracks. The resulting system provides very effective oxidation protection at intermediate temperatures of approximately 650.degree. C.

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