High temperature oxidation inhibitors for carbon-carbon...

Details High temperature oxidation inhibitors for carbon-carbon... High temperature oxidation inhibitors for carbon-carbon...

2006-10-10

2006-10-10

McNeil, Jennifer C. (Department: 1775)

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

C428S704000

Reexamination Certificate

active

07118805

ABSTRACT:
Coated articles (19) that comprise components, made of carbon fiber or carbon-carbon composites which may be configured, for example, as aircraft landing system brake discs. The components (10) are coated with a system that includes a phosphorus-containing undercoating (11) having a specified formulation and a boron-containing overcoating (12) having specified characteristics. The coated articles of the invention, e.g., aircraft brake discs, are protected against catalytic oxidation when the article is subjected to temperatures of 800° C. (1472° F.) or greater. Also, a method of protecting a component made of a carbon fiber or carbon-carbon composite simultaneously against catalytic oxidation (e.g., catalyzed by de-icer compositions) and high temperature non-catalytic oxidation.

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