Injection molding of zirconia oxygen sensor thimbles by an aqueo

Details Injection molding of zirconia oxygen sensor thimbles by an aqueo Injection molding of zirconia oxygen sensor thimbles by an aqueo

1991-06-25

1992-02-11

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

2643282, 26432814, C04B 3548

Patent

active

050875957

ABSTRACT:
A ceramic element of a zirconia oxygen sensor is shaped from a powder mixture. The mixture, comprising a ceramic powder having an average particle size less than or equal to 1 micrometer, a gel-forming material and a gel forming material solvent, is molded at a temperature and pressure sufficient to produce the ceramic element having a density of at least 5.5 g/cm.sup.3.

REFERENCES:
patent: 4113480 (1978-09-01), Rivers
patent: 4265794 (1981-05-01), Pett et al.
patent: 4734237 (1988-03-01), Fanelli et al.

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