High purity fused grain in the system Al.sub.2 O.sub.3 -Cr.sub.2

Details High purity fused grain in the system Al.sub.2 O.sub.3 -Cr.sub.2 High purity fused grain in the system Al.sub.2 O.sub.3 -Cr.sub.2

1991-12-19

1993-04-27

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501119, 501121, 501132, C04B 3504

Patent

active

052061930

ABSTRACT:
High purity fused grain and refractory compositions that contain a high purity fused grain made up of 35 to 85 wt. % chromia, 5 to 55 wt. % alumina, and 5 to 45 wt. % magnesia. Burned refractory brick having such a chemistry was found to unexpectedly possess superior resistance to AOD and electric furnace slags.

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