Flame-produced partially stabilized zirconia powder

Details Flame-produced partially stabilized zirconia powder Flame-produced partially stabilized zirconia powder

1991-08-16

1992-10-13

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501104, 423608, C04B 3548

Patent

active

051550717

ABSTRACT:
Partially stabilized cubic or tetragonal zirconia powder are provided which comprise aggregates of dense equiaxial primary particles, wherein said particles have an average diameter of less than about 150 nm and comprise zirconia and a homogeneously distributed stabilizer, as well as processes for their production employing flame combustion of homogeneous mixtures of ZrCl.sub.4 and stabilizer precursors.

REFERENCES:
patent: 4788045 (1988-11-01), Colombet et al.
patent: 4873064 (1989-10-01), Kato
patent: 4933154 (1990-06-01), Kison
patent: 4999182 (1991-03-01), Baumard et al.

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