Fusion-cast fireproof product

Details Fusion-cast fireproof product Fusion-cast fireproof product

2011-08-02

2011-08-02

Group, Karl (Department: 1731)

Compositions: ceramic

Ceramic compositions

Refractory

C501S108000, C501S120000, C501S122000

Reexamination Certificate

active

07989381

ABSTRACT:
A fusion-cast refractory product based on zirconium dioxide is provided. The zirconium dioxide crystals are stabilized by magnesium oxide and surrounded by at least one magnesium oxide-containing crystalline phase. The content of magnesium oxide-containing crystalline phases, relative to the total mass of the product, amounts to 1 to 8 wt. %. In an example, the stabilized zirconium dioxide crystals are surrounded by at least one of the following magnesium oxide-containing crystalline phases: forsterite, enstatite, cordierite or spinel.

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