Aluminum borate ceramic matrix composite

Details Aluminum borate ceramic matrix composite Aluminum borate ceramic matrix composite

1990-12-13

1992-03-24

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501 88, 501 89, 501 96, 501 98, 501127, 501128, 4274432, C04B 3510, C04B 3552, C04B 3556

Patent

active

050988719

ABSTRACT:
Disclosed is a method of forming an improved ceramic matrix composite wherein there is provided a slurry comprised of aluminum oxide, boron oxide and an organic binder suspended in a liquid, and combining the slurry with fibers. The aluminum oxide and boron oxide are capable of reacting to form aluminum borate. The improvement comprises providing the fibers with a coating which forms a stable interface between the fibers and the aluminum borate.

REFERENCES:
patent: 3795524 (1974-03-01), Sowman
patent: 4540475 (1985-09-01), DeAngelis
patent: 4698319 (1987-10-01), Ray
patent: 4774210 (1988-09-01), Ray
patent: 4804642 (1989-02-01), Ray
patent: 4804646 (1989-02-01), Ray
Holtz et al, "High Temperature Properties of Three Nextel Ceramic Fibers", 32nd Int'l Sampe Symposium, Apr. 6-9, 1987, pp. 245-256.
Baumann et al, "Electric Furnace Boroaluminate", J. Amer. Ceramic Soc., Oct. 1, 1942, vol. 25, No. 14, pp. 391-394.

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