Shaped ceramics

Details Shaped ceramics Shaped ceramics

1982-05-19

1983-11-08

Poer, James

Compositions: ceramic

Ceramic compositions

Refractory

501104, C04B 3548

Patent

active

044143370

ABSTRACT:
A composition is disclosed of about 0.45 to about 5.5 percent of an organic water-soluble binder which has a thermal decomposition temperature of about 100 to about 500.degree. C. and a viscosity of less than about 10,000 poises at 20.degree. C., about 1.5 to about 4.0 percent of a starch which has a thermal decomposition temperature of about 250 to about 535.degree. C. where the thermal decomposition temperature of the binder and the starch are at least about 50.degree. C. apart, about 1.5 to about 3.5 percent cellulose, about 0.5 to about 2.0 percent of a dispersant, and about 7 to about 11 percent water, and about 75 to about 89 percent of a high temperature refractory material such as stabilized zirconia. The composition is de-aired, formed into a shape, and fired to produce a ceramic structure.

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