Silicon carbide coated carbon composite material and method for making same
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United States of America Patent
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Oct 31, 1995
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N/A
app pub date -
Dec 20, 1993
filing date -
Oct 11, 1990
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Abstract
A silicon carbide coated carbon matrix/carbon fiber composite material is provided. The carbon composite base material, coated with silicon carbide, comprises a siliconized layer and a non-siliconized layer. The siliconized layer comprises silicon carbide matrix and non-siliconized carbon fibers. The siliconized layer also has a non-planar interface with a series of elongated protrusions penetrating into the surface the of non-siliconized layer. A gas-permeable intermediate coating formed on the carbon composite material can help produce such a siliconized layer.
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