MgO-spinel refractory mix and shapes made therefrom

Details MgO-spinel refractory mix and shapes made therefrom MgO-spinel refractory mix and shapes made therefrom

1993-11-15

1994-09-06

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501121, C04B 3504

Patent

active

053448022

ABSTRACT:
A refractory mix and resultant shapes formed by burning the mix, the mix comprising a magnesia-alumina spinel grain containing at least 27% MgO by weight, a fused magnesite grain, and up to 10% by weight alumina, it being possible to substitute a sintered magnesite grain for up to 50% by weight of the fused magnesite grain.

REFERENCES:
patent: 2160924 (1939-06-01), Sullivan
patent: 2775527 (1956-12-01), Austin et al.
patent: 3184531 (1965-05-01), McCreight et al.
patent: 3607325 (1971-09-01), Spangler
patent: 3901721 (1975-08-01), Doman
patent: 4729974 (1988-03-01), Nazirizadeh et al.
patent: 4780434 (1988-10-01), Watanabe et al.
patent: 4833109 (1989-05-01), Macey et al.
patent: 4954463 (1990-09-01), Knauss
patent: 4971934 (1990-11-01), Schiavi et al.
patent: 5021374 (1991-06-01), Macey et al.

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