High-alumina refractory for use in non-ferrous metal melting fur

Details High-alumina refractory for use in non-ferrous metal melting fur High-alumina refractory for use in non-ferrous metal melting fur

1984-04-25

1986-08-26

Williams, Howard S.

Compositions: ceramic

Ceramic compositions

Refractory

501 98, 501128, C04B 3510, C04B 3558

Patent

active

046083537

ABSTRACT:
A refractory for use in a non-ferrous metal melting furnace, comprising a mixture of high-alumina aggregate particles containing at least 60% by weight of aluminum oxide and silicon nitride particles, admixed with particles of a solid substance; e.g., graphite, which generates carbon monoxide by reaction with the melt of said non-ferrous metals. This refractory has an advantage of being highly difficult to be corroded by slag formed during melting of said non-ferrous metal.

REFERENCES:
patent: 4218254 (1980-08-01), Kiehl et al.

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