Zirconia ceramics and process for producing the same

Details Zirconia ceramics and process for producing the same Zirconia ceramics and process for producing the same

1984-10-19

1987-09-01

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501103, 501152, 264 66, C04B 3548, C04B 3549

Patent

active

046909117

ABSTRACT:
A sintered body of zirconia ceramic comprising 74 to 87% by weight of ZrO.sub.2 and 26 to 13% by weight of CeO.sub.2, and 0.1 to 20% by weight of Al.sub.2 O.sub.3 and 99.9-80% by weight of ZrO.sub.2 --CeO.sub.2 in the form of tetragonal crystals with 20% by weight or less of monoclinic and/or cubic crystals, is excellent in mechanical strength, were resistance and thermal stability.

REFERENCES:
patent: 4316964 (1982-02-01), Lange
patent: 4525464 (1985-06-01), Claussen et al.
patent: 4542110 (1985-09-01), Nakada et al.
patent: 4588655 (1986-05-01), Kushner
patent: 4599270 (1986-07-01), Rangaswamy et al.
patent: 4610967 (1986-09-01), Imanishi et al.
Pol Duwez et al, "Phase Relationships in the System Zirconia-Ceria", J. American Ceramic Soc., vol. 33, No. 9, pp. 274-283, 1950.

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