Method for producing zirconia-based sintered body

Details Method for producing zirconia-based sintered body Method for producing zirconia-based sintered body

1992-12-17

1994-03-22

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501104, C04B 3548

Patent

active

052964213

ABSTRACT:
A sintered body where alumina is dispersed in a zirconia matrix in which yttria has been doped to form a solid solution can be obtained by compacting a mixed powder comprising zirconia or yttria-stabilized zirconia and yttrium-aluminum complex oxide and sintering the resulting compacted body. This sintered body comprises a fine zirconia matrix in which fine alumina particles are dispersed to strengthen it and is excellent in flexural strength and fracture toughness and has a practically effective oxygen ionic conductivity.

REFERENCES:
patent: 4666467 (1987-05-01), Matsumoto et al.
patent: 5164348 (1992-11-01), Dood
Advances in Ceramics, vol. 12, Science and Technology of Zirconia II, pp. 528-536 (1984), F. J. Esper et al., "Mechanical, Thermal, and Electrical Properties in the System of Stabilized ZrO.sub.2 (Y.sub.2 O.sub.3)/a-Al.sub.2 O.sub.3 ".

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