Compositions: ceramic – Ceramic compositions – Devitrified glass-ceramics
Patent
1987-10-14
1989-08-15
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Devitrified glass-ceramics
501 9, 501 95, 501 67, 501 69, 501 72, C03L 1004, C04B 3556
Patent
active
048574856
ABSTRACT:
A silicon carbide fiber reinforced glass-ceramic matrix composite article is disclosed. The matrix is a lithium alumino silicate glass-ceramic composition which may include from 1 to 5 weight percent B.sub.2 O.sub.3. The fiber reinforced glass-ceramic matrix composite article exhibits both high flexural strength at elevated temperatures and oxidative stability at elevated temperatures in an oxidizing environment.
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Ehrburger et al, "Inhibition of the Oxidation of Carbon--Carbon Composite by Boron Oxide", Carbon vol. 24, No. 4, pp. 495-499 (1986).
Brennan John J.
Layden George K.
Prewo Karl M.
Dixon Jr. William R.
Group Karl
McVeigh Kevin E.
United Technologies Corporation
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