Compositions: ceramic – Ceramic compositions – Refractory
Patent
1992-11-25
1994-12-27
Group, Karl
Compositions: ceramic
Ceramic compositions
Refractory
501 89, 501127, 501128, C04B 3510, C04B 3556
Patent
active
053766008
ABSTRACT:
A pressureless sintering method is disclosed for use in the production of whisker-toughened ceramic composites wherein the sintered density of composites containing up to about 20 vol. % SiC whiskers is improved by reducing the average aspect ratio of the whiskers to from about 10 to about 20. Sintering aids further improve the density, permitting the production of composites containing 20 vol. % SiC with sintered densities of 94% or better of theoretical density by a pressureless sintering method.
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Adams Harold W.
Griffin J. Donald
Group Karl
Martin Marietta Energy Systems Inc.
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