Homogeneous powders of yttrium-stabilized quadratic zirconia

Details Homogeneous powders of yttrium-stabilized quadratic zirconia Homogeneous powders of yttrium-stabilized quadratic zirconia

1988-09-29

1991-04-16

Andrews, Melvyn J.

Chemistry of inorganic compounds

Rare earth compound

423266, 423608, 501134, 501152, C01F 1700

Patent

active

050080920

ABSTRACT:
Finely divided homogeneous powders of yttrium-stabilized, essentially quadratic zirconia have a narrow particle size distribution, and are prepared by (a) adjusting the pH of a mixed aqueous solution of zirconyl and yttrium acetates to a value of at least 5, (b) eliminating the solvent from such mixed aqueous solution, and (c) pyrolyzing the solid residue resulting from the step (b).

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