Silicon carbide sintered body
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United States of America Patent
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-
Jun 19, 1984
Issued Date -
N/A
app pub date -
Nov 5, 1980
filing date -
Jun 30, 1975
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A silicon carbide sintered body characterized by its microstructural stability at high temperatures is produced by forming a mixture of .beta.-silicon carbide powder, .alpha.-silicon carbide seeding powder, boron additive and a carbonaceous additive into a green body and sintering it to produce a sintered body with a density of at least 80% wherein at least 70% by weight of the silicon carbide is .alpha.-silicon carbide.
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