High temperature ceramic articles having corrosion resistant coating
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United States of America Patent
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Sep 30, 1997
Grant Date -
N/A
app pub date -
Mar 22, 1996
filing date -
Mar 22, 1996
priority date (Note) -
Expired
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Abstract
A ceramic article which includes a porous body of SiC fibers, Si.sub.3 N.sub.4 fibers, SiC coated fibers or Si.sub.3 N.sub.4 coated fibers, having at least one surface, the article having a coating of AlN adherently disposed throughout at least a portion of the porous body.
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