Carbon-containing and uncarbonized sinter magnesia refractories

Details Carbon-containing and uncarbonized sinter magnesia refractories Carbon-containing and uncarbonized sinter magnesia refractories

1980-08-07

1982-02-16

Vertiz, O. R.

Compositions: ceramic

Ceramic compositions

Refractory

501114, C04B 3504

Patent

active

043159923

ABSTRACT:
A refractory brick or mass is comprised of 60 to 97% of sinter magnesia, an amount of a carbon-containing substance producing a residual content of 2 to 30% of carbon in an end product after carbonization, as determined by ASTM norm C 831-76, and 1 to 20%, calculated as chromium metal, of metallic chromium or a metallic chromium compound, which is primarily fine-grained and at least 80% thereof, based on the chromium metal content, has a grain size of less than 1 mm, all percentages being by weight.

REFERENCES:
patent: 2753612 (1956-07-01), Kramer
patent: 3036925 (1962-05-01), Heuer
patent: 3258353 (1966-06-01), Heuer
patent: 3288616 (1966-11-01), Bowman
patent: 3340075 (1967-09-01), Stoddard et al.
patent: 3351476 (1967-11-01), Weaver et al.
patent: 3370968 (1968-02-01), Weaver
patent: 3775140 (1973-11-01), Visser et al.

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