Hybrid ceramic matrix composite articles comprising particulate

Details Hybrid ceramic matrix composite articles comprising particulate Hybrid ceramic matrix composite articles comprising particulate

1988-05-23

1990-04-24

Bell, Mark L.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

501 8, 501 9, 501 32, 428107, 428112, 428114, 428294, 428367, 428697, 428698, C03C 1006, C03C 1008, C03C 1400, B32D 1800

Patent

active

049199919

ABSTRACT:
Ceramic matrix composites and a method for making them are provided, the composites comprising a matrix of an alkaline earth aluminosilicate glass or an alkaline earth aluminosilicate glass-ceramic reinforced with inorganic fibers such as silicon carbide fibers, and the matrix being modified by the incorporation therein of an inorganic particulate additive, the additive being present in a proportion at least effective to increase the interlaminar shear strength, transverse flexural strength, and/or fracture toughness of the composites.

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patent: 4464475 (1984-08-01), Beall et al.
patent: 4615987 (1986-10-01), Chyung et al.
patent: 4626515 (1986-12-01), Chyung et al.
patent: 4755489 (1988-07-01), Chyung
patent: 4788162 (1988-11-01), Hillig
J. G. Baldoni et al. in "Mechanical Properties and Wear Resistance of Silicon Nitride-Titanium Carbide Composites," Tailoring Multiphase and Composite Ceramics, Materials Science Research, vol. 20, R. E. Tressler et al., Editors, Plenum, New York, 1987.
P. Hing et al., "The Strength and Fracture Properties of Glass-Ceramics," Journal of Materials Science, 8, (1973) pp. 1041-1048.
G. C. Wei et al., "Improvements in Mechanical Properties in SiC by the Addition of TiC Particles," Journal of the American Ceramic Society, 67 (8), pp. 571-574 (Aug. 1984).
T. Mah et al., "Fracture Toughness and Strength of Si.sub.3 N.sub.4 Composites," Ceramic Bulletin, 60 (11), pp. 1229-1231, 1240, (1981).

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