Cordierite ceramics containing silicon carbide whisker reinforcement
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United States of America Patent
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-
Jun 16, 1987
Grant Date -
N/A
app pub date -
Apr 25, 1986
filing date -
Apr 25, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Silicon-carbide-whisker-reinforced cordierite ceramic products are prepared by uniformly incorporating the whiskers in the ceramic batch, forming the batch into a product preform, e.g. by extrusion, and firing the preform according to a process wherein the conversion of the oxide batch materials to cordierite occurs under a non-oxidizing atmosphere. Significant improvements in product strength and thermal downshock resistance are obtained.
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