High alumina brick with metallic carbide and its preparation

Details High alumina brick with metallic carbide and its preparation High alumina brick with metallic carbide and its preparation

1993-10-22

1995-01-17

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 89, 501128, C04B 3510

Patent

active

053825551

ABSTRACT:
A high alumina refractory and its preparation are disclosed. In addition to the mix of alumina particles providing an Al.sub.2 O.sub.3 content of at least 50%, by weight, there is included metallic carbide particles, having a critically-selected particle size distribution, in an amount between about 3 and about 25%, by weight, based on the total dry weight at the mixture. Other forms of carbon, like tar, pitch and graphite are omitted. The product is free from black core and has improved resistance to molten slags and metals.

REFERENCES:
patent: 3164482 (1965-01-01), Renkey
patent: 3164483 (1965-01-01), McCreight et al.
patent: 3892584 (1975-07-01), Takeda et al.
patent: 4093470 (1978-06-01), Cherry
patent: 4424281 (1984-01-01), Jones
patent: 4751204 (1988-06-01), Kyoden et al.
patent: 4889834 (1989-12-01), Niihara et al.
patent: 5147830 (1992-09-01), Banerjee et al.

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