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Induction furnace test revealed that
the magnesia chromite brick samples had no
obvious corrosion in the slag zone. However,
there was heavy erosion within the steel bath,
mainly caused by the vigorous induction
stirring (as shown in Fig.5). Periodical
analysis of the slag chemistry showed that as
the test progressing, the FeO level dropped
from about 70% to less than 60%, which
suggests that slag enriched with FeO might
have been dragged by the induction stirring
and reacted with magnesia chromite samples.
Although sample no.2 had slightly
higher HMOR strength than other two
products, the sample exhibited significantly
more localised erosion during induction
furnace tests

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