Oxidation resistant carbon fiber reinforced carbon composite...

Stock material or miscellaneous articles – Self-sustaining carbon mass or layer with impregnant or...

Reexamination Certificate

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C264S029100, C428S293100, C428S293700

Reexamination Certificate

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07364794

ABSTRACT:
An oxidation resistant carbon fiber reinforced carbon composite material comprises a matrix and 20 volume % or more of carbon fibers, and is characterized in that: the matrix contains ceramic powder that includes boron carbide powder having an average particle diameter of 5 μm or less; and an amount of the ceramic powder is 32 volume % or more based on volume of the carbon fibers.

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