Carbonaceous ceramic composite for use in contact with molten nonferrous metal
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United States of America Patent
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Aug 4, 1992
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N/A
app pub date -
Nov 30, 1990
filing date -
Mar 30, 1989
priority date (Note) -
Expired
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Abstract
This invention provides a carbon-containing ceramic composite for molten non-ferrous metal, the composite being a sintered ceramic body to be used in contact with molten non-ferrous metal, the sintered body containing an aggregate of silicon carbide and/or silicone nitride, the sintered body being characterized in that it comprises, (a) 100 parts by weight of the aggregate, (b) 5 to 45 parts by weight of flake graphite, and (c) boron carbide in an amount of 10 to 40% by weight based on the flake graphite.
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