Silicon carbide refractory composition

Details Silicon carbide refractory composition Silicon carbide refractory composition

1987-09-01

1989-01-24

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501128, 501133, C04B 3556

Patent

active

048001813

ABSTRACT:
A castable refractory mix composition is disclosed which when fired at a temperature of about 2300.degree. F. will yield a cast refractory article having improved thermal shock resistance and when fired at a higher temperature of about 2750.degree. F. will yield a cast refractory article having improved abrasion resistance. The castable refractory mix composition comprises from about 10 to 15% by weight of an aqueous slip of fine ground fused silica particles, from 25% to 32% by weight of fine alumina particles, from about 55 to 70% by weight of relatively large particle size silican carbide refractory particles, from about 0.015 to 0.04% by weight of a water-soluble wetting agent, and from 0 to about 5% by weight added water.

REFERENCES:
patent: 2559343 (1951-07-01), Caton
patent: 3230100 (1966-01-01), Davies et al.
patent: 4093470 (1978-06-01), Cherry
patent: 4120829 (1978-10-01), Dulin
patent: 4243621 (1981-01-01), Mori et al.
patent: 4710480 (1987-12-01), Buschmann et al.
Hawley, Condensed Chem. Dict., Van Nostrand Reinhold, 10th ed., NY, 1981, pp. 188, 615.

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