Composite shaped articles comprising reinforced glass-ceramic ma

Details Composite shaped articles comprising reinforced glass-ceramic ma Composite shaped articles comprising reinforced glass-ceramic ma

1990-06-19

1992-04-14

Group, Karl

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 32, 501 64, 501 69, 501 95, 264 65, C03C 1008

Patent

active

051048302

ABSTRACT:
Composite shaped articles, well adapted for aerospace applications, include a glass-ceramic and an effective amount of a reinforcing agent therefor, preferably a fibrous and ceramic reinforcing agent, such glass-ceramic matrix being based on silica, alumina, an alkaline earth metal oxide and a rare earth oxide, in the following proportions by weight relative to the total weight of the matrix:

REFERENCES:
patent: 4097295 (1978-06-01), Chyung et al.
patent: 4412854 (1983-11-01), Layden
patent: 4485179 (1984-11-01), Brennan et al.
patent: 4615987 (1986-10-01), Chyung et al.
patent: 4794094 (1988-12-01), Makishima et al.

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