Zirconia ceramics and a method of producing the same

Details Zirconia ceramics and a method of producing the same Zirconia ceramics and a method of producing the same

C - Chemistry, Metallurgy

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C04B 35/48 (2006.01) C04B 35/486 (2006.01) C04B 35/50 (2006.01) F02F 7/00 (2006.01) H01M 8/12 (2006.01)

Patent

CA 1154793

Abstract of the Disclosure Zirconia ceramics consisting mainly of ZrO2 and Y2O3 in a molar ratio of Y2O3/ZrO2 of 2/98~7/93 and consisting of crystal grains having a mixed phase consist- ing essentially of tetragonal phase and cubic phase or having a phase consisting essentially of tetragonal phase, the average size of the crystal grains being not larger than 2 µm, has a high strength and is little in the deterioration of the strength due to the lapse of time, and is suitable as a solid electrolyte for oxygen concentration cell, machine parts for internal combustion engine, thermistor, cutting tool and other industrial materials.

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