Process for making ultra-fine stabilized zirconia particles

Details Process for making ultra-fine stabilized zirconia particles Process for making ultra-fine stabilized zirconia particles

1995-06-27

1998-02-10

Mayes, Melvin

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By mechanically introducing gas into material

264 34, 264 6, 264125, 423 69, 423 81, 423608, 501103, C01B 1334, C01G 2502, C04B 35622

Patent

active

057165653

ABSTRACT:
A process for producing ultra-fine particles of calcia-stabilized zirconia in which a precursor mixture (which contains from about 80 to about 96 mole percent of zirconium ion, from about 20 to about 4 mole percent of calcium ion, a nitrogen-containing fuel, and a solvent) is dried and then subjected to a temperature of from about 275 to about 750 degrees centigrade and an atmosphere with a relative humidity of less than about 60 percent, thereby causing the dried particles to react in a vigorous manner and to form a combusted powder.

REFERENCES:
patent: 4065544 (1977-12-01), Hamling et al.
patent: 5061682 (1991-10-01), Aksay et al.

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