Process for making modified alumina fibers

Details Process for making modified alumina fibers Process for making modified alumina fibers

1989-09-29

1991-03-26

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501127, 423625, 423608, C04B 3502

Patent

active

050029061

ABSTRACT:
Ceramic fibers of alumina modified with zirconia or hafnia derived from soluble salts of the metal are made by first polymerizing a mixture of alumina and aqueous aluminum chlorohydroxide before addition of the metal oxide precursor. Subsequent concentration and spinning steps are carried out at low temperatures.

REFERENCES:
patent: 3808015 (1974-04-01), Seufert
patent: 4753904 (1988-06-01), Wolfe

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