Zirconia fine powder and method for its production

Details Zirconia fine powder and method for its production Zirconia fine powder and method for its production

1997-11-10

2000-02-29

Marcantoni, Paul

Compositions: ceramic

Ceramic compositions

Refractory

C04B 3548

Patent

active

060309148

ABSTRACT:
A zirconia fine powder consisting of primary particles having a BET specific surface area of from 40 to 200 m.sup.2 /g and a mean particle size of at most 0.1 .mu.m as measured by an electron microscope, wherein the ratio of the mean particle size as measured by an electron microscope to a mean particle size calculated from the BET specific surface area, is at least 0.9.

REFERENCES:
patent: 4719091 (1988-01-01), Wusirika et al.
patent: 4977114 (1990-12-01), Horinouchi et al.
patent: 5693299 (1997-12-01), Chopin et al.
patent: 5712218 (1998-01-01), Chopin et al.

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