High strength SiC filter and method for the manufacture thereof
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United States of America Patent
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Dec 16, 2003
Grant Date -
Apr 3, 2003
app pub date -
Sep 27, 2002
filing date -
Oct 3, 2001
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Abstract
There is provided an improved ceramic foam filter for use in filtering molten metals, metal prepared from a ceramic slurry containing silicon carbide, a colloidal silica binder and at least 10 percent of fumed silica. The filter has enhanced strength properties.
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