Fired refractory brick and process for preparing the same

Details Fired refractory brick and process for preparing the same Fired refractory brick and process for preparing the same

1976-10-14

1978-02-14

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 62, C04B 3548

Patent

active

040736563

ABSTRACT:
A fired refractory brick composed of magnesia, 2 to 10% alumina, calcium oxide and up to 1.5% silica, the weight ratio of calcium oxide to silica being more than 1.4, and at least 2.2(CaO -1.4 SiO.sub.2)% zirconia, calcium and zirconium forming a calcium zirconate phase in the brick and the content of the calcium zirconate phase being from 0.5 to 8%, all percentages being by weight. This brick is prepared from a mixture of the components by pressing the mixture into the shape of a brick and firing the brick at a temperature of 1600.degree. C to 1800.degree. C until the brick contains the indicated amount of the calcium zirconate phase.

REFERENCES:
patent: 3192059 (1965-06-01), Good et al.
patent: 4010039 (1977-03-01), DeAza et al.

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