Method for making ceramic matrix composites

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

1995-10-02

1998-01-13

Fiorilla, Christopher A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

264624, 264625, 264626, 264640, 264641, 427215, 427226, 427227, 427228, C04B 3700

Patent

active

057074712

ABSTRACT:
Fiber reinforced ceramic matrix composites are prepared by coating refractory fibers having a interfacial coating thereon with a curable preceramic polymer having a char which contains greater than about 50% sealant oxide atoms followed by forming the coated fibers into the desired shape, curing the coated fibers to form a pre-preg, heating the pre-preg to form a composite and heating the composite in an oxidizing environment to form an in situ sealant oxide coating on the composite. The resultant composites have good oxidation resistance at high temperature as well as good strength and toughness.

REFERENCES:
patent: 5145812 (1992-09-01), Arai et al.
patent: 5502142 (1996-03-01), Sneddon et al.

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