Reaction bonded ceramics for ceramic composite materials comprising mullite as the main component and corundum and thortveitite or cerianite as minor components
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United States of America Patent
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Jul 4, 2000
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N/A
app pub date -
Jun 11, 1997
filing date -
Jun 12, 1996
priority date (Note) -
Expired
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Abstract
Reaction Bonded Ceramics for Ceramic Composite Materials Comprising Mullite as the Main Component and Corundum and Thortveitite or Cerianite as Minor Components The present invention pertains to reaction bonded mullite-containing ceramic molded parts, a process for their preparation and their use. A particular embodiment of the present invention consists in reaction bonded mullite-containing ceramic molded parts, obtainable by the heat-treatment of a finely dispersed mixture of an aluminum-containing material, a silicon-containing material, and a rare earth metal-containing material in an oxygen-containing atmosphere.
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