Ceramic composite foams with high mechanical strength
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United States of America Patent
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Issued Date -
Aug 7, 2003
app pub date -
Nov 21, 2002
filing date -
Feb 14, 2000
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a ceramic foam structure characterized in that it is produced by using a reaction bonded power. The invention also relates to a method for producing a ceramic foam structure, characterized in that the method comprises the following steps: providing a reaction bonded power blend, producing a stable slurry of the powder blend in water or in a solvent, producing a foam, drying said foam, calcinating said foam, oxidizing said foam, and a final thermal treatment Using this method, ceramic foams having better mechanical properties compared to classical foams can be prepared.
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