Method for making extruded whisker-reinforced ceramic matrix com

Details Method for making extruded whisker-reinforced ceramic matrix com Method for making extruded whisker-reinforced ceramic matrix com

1987-04-23

1988-10-11

Cintins, Ivars

Glass manufacturing

Processes

Devitrifying glass or vitrifying crystalline glass

264 63, C03C 1008

Patent

active

047768665

ABSTRACT:
Whisker-reinforced ceramic matrix composites comprising a principal crystal phase selected from the group of anorthite, barium-stuffed cordierite, and mixed cordierite/anorthite are prepared by extrusion of extrudable ceramic batches comprising an extrusion vehicle and a solids component consisting essentially of inorganic whiskers and powdered glass, the glass being a thermally crystallizable glass containing an internal nucleant and capable of being consolidated at ambient pressures or above to a dense consolidated preform which may be converted to a substantially glass-free whisker-reinforced ceramic matrix composite by thermal treatment.

REFERENCES:
patent: 4464192 (1984-08-01), Layden et al.
patent: 4615987 (1986-10-01), Chyung et al.

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