Compositions: ceramic – Ceramic compositions – Refractory
Patent
1981-03-11
1982-12-28
McCarthy, Helen M.
Compositions: ceramic
Ceramic compositions
Refractory
501117, C04B 3504, C04B 3542
Patent
active
043662560
ABSTRACT:
Refractory chrome-magnesia bricks and compositions composed of a granular fused material having a grain size of 12 mm or less, and a content of from 71 to 83 wt. % Cr.sub.2 O.sub.3 and from 17 to 29 wt. % MgO, the minimum content of Cr.sub.2 O.sub.3 and MgO being 94 wt. %.
REFERENCES:
patent: 1524030 (1925-01-01), Hartmann
patent: 2271362 (1942-01-01), Field
patent: 2408305 (1946-09-01), Field
patent: 3243305 (1966-03-01), Renkey
patent: 3321322 (1967-05-01), Mikami
patent: 3328183 (1967-06-01), Stoyell et al.
patent: 3578474 (1971-05-01), Whittemore
patent: 4008092 (1977-02-01), Mortl
patent: 4035266 (1977-07-01), Alexandrov et al.
"The Firing Expansions of Certain Chrome-Magnesite Products", by G. H. B. Lovell, Transactions of The British Ceramic Soc. (1952), p. 369.
McCarthy Helen M.
Osterreichisch-Amerikanische Magnesit Aktiengesellschaft
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