Casting nozzle

Details Casting nozzle Casting nozzle

1987-02-28

1989-08-15

Derrington, James

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

264 63, 501 90, C04B 3510

Patent

active

048574880

ABSTRACT:
A method for making a casting nozzle, includes mixing a main casting nozzle material 70-95% by weight and electrofused aggregates 5-30% by weight, the electrofused aggregates consisting essentially of ZrO.sub.2 30-60% by weight, Al.sub.2 O.sub.3 20-50% by weight, SiO.sub.2 10-20% by weight and SiC 5-40% by weight together with a binder, thereby to make a mixture, forming the mixture in the shape of a casting nozzle thereby to make a formed body, and sintering the formed body.

REFERENCES:
patent: 3753744 (1973-08-01), Komaru et al.
patent: 4039342 (1977-08-01), Reerink et al.
patent: 4093470 (1978-06-01), Cherry

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