Zircon/zirconia refractories

Details Zircon/zirconia refractories Zircon/zirconia refractories

1984-12-11

1986-04-01

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501102, 501103, 264 60, C04B 3548

Patent

active

045798290

ABSTRACT:
A refractory material consists of a zircon matrix with zirconia particles dispersed in it. The zirconia particles comprise from 5 to 30 percent (by weight) of the material. A method of making this material involves milling zircon sand particles and zirconia particles until they have a respective predetermined particle size distribution, adding a fugitive binder, moulding a green ware, firing the green ware at a temperature in the range from 1400.degree. C. to 1800.degree. C., and furnace cooling the fired ware. Preferably the ware is held at the firing temperature for one hour.

REFERENCES:
patent: 3899341 (1975-08-01), Schwarz
patent: 4152166 (1979-05-01), Rogers

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