Silicon carbide ceramics containing a dispersed high metal content silicide phase
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United States of America Patent
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Apr 20, 1993
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N/A
app pub date -
Oct 21, 1991
filing date -
Oct 21, 1991
priority date (Note) -
Expired
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Abstract
A sintered silicon carbide product having improved fracture toughness contains from 1% to 80% by weight of (a) a uniformly dispersed, nonagglomerated, high metal content silicide of iron, nickel, cobalt or molybdenum in which the metal/silicon ratio is equal to or greater than 1. The silicon carbide starting material can be alpha-phase, beta-phase or a mixture of the two.
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