Superrefractory dry ramming material based on zirconium oxide fo

Details Superrefractory dry ramming material based on zirconium oxide fo Superrefractory dry ramming material based on zirconium oxide fo

1983-10-25

1985-04-23

Bell, Mark

Compositions: ceramic

Ceramic compositions

Refractory

501104, 501106, C04B 3548

Patent

active

045130892

ABSTRACT:
A superrefractory dry ramming material based on zirconium oxide for the lining of induction-type crucible furnaces comprising a zirconium oxide low in SiO.sub.2 and conventionally stabilized with CaO, MgO, Y.sub.2 O.sub.3, rare earths or their mixed oxides which has a particle size ranging from 0 to 8 mm, and from 5 to 40 weight percent finely divided monoclinic, fused zirconium oxide containing less than 0.5 weight percent SiO.sub.2.

REFERENCES:
patent: 3261698 (1966-07-01), Whittemore et al.
patent: 3620781 (1971-11-01), Garvie
patent: 3887387 (1975-06-01), Sturhahn
patent: 3899341 (1975-08-01), Schwarz
Strakhov, et al., "Slag-Resistant Products Made From Stabilized ZrO.sub.2 ", Translated from Ogneupory, No. 3, pp. 54-57, Mar. 1979.
Karaulov, et al., "Zirconia Ramming Compounds Tested in Induction Furnaces", Translated from Ogneupory, No. 4, pp. 39-42, Apr. 1974.

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