Alumina ceramic product from colloidal alumina

Details Alumina ceramic product from colloidal alumina Alumina ceramic product from colloidal alumina

1986-12-29

1989-05-30

Lander, Ferris H.

Compositions: ceramic

Ceramic compositions

Refractory

501 12, C05B 3510, C03C 300

Patent

active

048351245

ABSTRACT:
Disclosed in a process for forming a ceramic body from colloidal boehmite and alpha alumina. Alpha alumina is added to the colloidal boehmite to produce a seeded gal, the seeded gel capable of being sintered at a low temperature to produce a ceramic product having at least a 90% theoretical density.

REFERENCES:
patent: 4224302 (1980-04-01), Okamoto et al.
CA 104(26)229175z, "Seeding with . . . Alumina", McArdle et al., 1986.
CA 103(20)165018v, "Controlled . . . Seeding", Kumagai et al., 1985.
CA 102(6)49927w, "Enhanced . . . Seeding", Kumagai et al., 1984.

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