Aluminum nitride refractory materials and methods for using the same
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United States of America Patent
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Jun 10, 1997
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N/A
app pub date -
Dec 21, 1993
filing date -
Jun 19, 1991
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Expired
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Abstract
The present invention broadly relates to novel aluminum nitride matrix ceramic composite bodies for use as refractory materials and methods for making the same. The refractory materials are useful in environments which are corrosive, erosive, abrasive and/or which generate thermal shock. Such environments include furnaces, and associated apparatus which house or contact molten masses including, for example, molten metals, molten glasses, etc. The preferred method for making the aluminum nitride matrix ceramic composites comprises a directed oxidation of molten metal.
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