Method for making ceramic matrix composites

Details Method for making ceramic matrix composites Method for making ceramic matrix composites

1990-12-06

1993-01-05

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501 32, 65 181, 65 184, 428368, 428902, 264122, C03C 1400

Patent

active

051770393

ABSTRACT:
Fiber-reinforced ceramic matrix composite articles of complex shape are made with improved physical integrity and control over fiber alignment by a process wherein prepreg comprising fibers and powdered matrix is treated to shorten the average length of the fibers, then configured without binder removal into a preform of selected shape and fiber orientation, and finally consolidated with heat and pressure into a dense ceramic matrix composite article. Fiber breakage during the consolidation process is thereby avoided.

REFERENCES:
patent: 4412854 (1983-11-01), Layden
patent: 4921518 (1990-05-01), Allaire et al.
patent: 4992127 (1990-03-01), Kishi

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