Process for producing an alumina-zirconia composite sintered mat

Details Process for producing an alumina-zirconia composite sintered mat Process for producing an alumina-zirconia composite sintered mat

1987-12-22

1989-05-09

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501107, 501127, 423608, 423625, C04B 3510, C04B 3548

Patent

active

048290289

ABSTRACT:
Alumina-zirconia composite sintered materials having sufficient high-temperature strength and thermal shock resistance as well as excellent mechanical strength are made by mixing Bayer alumina and/or bauxite as an alumina and baddeleyite and/or zircon sand as a zirconia material in amounts of 50 to 95% by weight of alumina, the balance being zirconia, respectively, subjecting the mixture to heating, melting and quenching, grinding the resulting solid to an average grain size of 10 .mu.m or smaller, and subjecting the resulting powder to molding and sintering.

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Ceramic Industry, Jan. 1986, vol. 126, No. 1, pp. 74, 75, 137, 138.
Wilks et al., "Plasma Process for Zirconium Dioxide", Chemical Engineering Progress, vol. 68, No. 4, Apr. 1972, pp. 81-83.

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