High technology ceramics with partially stabilized zirconia

Details High technology ceramics with partially stabilized zirconia High technology ceramics with partially stabilized zirconia

1985-11-05

1987-01-27

Carter, H. T.

Chemistry of inorganic compounds

With additive

For stabilizing crystal size or shape

423608, C01G 2502

Patent

active

046393560

ABSTRACT:
A process for making a fully or a partially stabilized zirconia is disclosed. The process comprises making an aqueous solution of zirconium sulfate in admixture with an inorganic or organic water soluble salt of one or more metals selected from the group consisting of Be, Mg, Ca, Sr, Ba, Ra, Sc, Y, La, Ac, Ce, Hf, Th and Al. The aqueous solution is atomized into a solvent at least partially miscible with water with the solvent being agitated during the addition of the solution. The coprecipitated metal salt formed is separated from the solvent, washed with inert solvent or solvents, dried, and calcined.

REFERENCES:
patent: 3415252 (1970-05-01), Leuy et al.
patent: 4365011 (1982-12-01), Bernard
patent: 4501818 (1985-02-01), Rossi
patent: 4520114 (1985-05-01), David

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