Process for production of silicon-carbide-coated carbon base material, silicon-carbide-coated carbon base material, sintered (silicon carbide)-carbon complex, ceramic-coated sintered (silicon carbide)-carbon complex, and process for production of sintered (silicon carbide)-carbon complex
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United States of America Patent
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Jul 21, 2015
Grant Date -
Jun 21, 2012
app pub date -
Sep 1, 2010
filing date -
Sep 4, 2009
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Abstract
Produced is a silicon carbide-coated carbon base material in which a silicon carbide coating is densely and uniformly formed on the surface of a carbon base material, such as graphite. A production process includes the steps of: preparing a carbon base material the surface of which has basal plane sites of an SP2 carbon structure with no dangling bond and edge plane sites of an SP2 carbon structure with a dangling bond; and reacting the surface of the carbon base material with SiO gas in an atmosphere at a temperature of 1400° C. to 1600° C. and a pressure of 1 to 150 Pa to form silicon carbide, whereby the carbon base material coated with silicon carbide is produced.
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