High strength, thermally stable magnesium aluminosilicate glass-

Details High strength, thermally stable magnesium aluminosilicate glass- High strength, thermally stable magnesium aluminosilicate glass-

1983-03-17

1986-05-13

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

428698, 501 8, 501 32, 501 88, 501 89, 501 95, C03C 1006, C03C 1008, C03C 1400, C04B 3556

Patent

active

045886997

ABSTRACT:
A silicon carbide fiber reinforced barium modified magnesium aluminosilicate matrix composite is described having high strength and thermal stability at temperature in excess of 1200.degree. C. The matrix material contains about 5% to about 14% magnesium oxide and about 5% to about 25% barium oxide. While any suitable ratios of fiber to matrix can be used, the composite for most applications for example, in the heat engine area, will contain approximately 20% to 50% by volume silicon carbide fibers.

REFERENCES:
patent: 3480452 (1969-11-01), Fleischner et al.
patent: 4314852 (1982-02-01), Brennan et al.
patent: 4324843 (1982-04-01), Brennan et al.
patent: 4410635 (1983-10-01), Brennan et al.
patent: 4415672 (1983-11-01), Brennan et al.

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