End product rejection rate and its correlation with melt treatment in direct-chill casted hot rolling slabs
Date
2019Author
Dışpınar, Derya
Erzi, Eray
Gursoy, Ozen
Yorulmaz, Arda
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In this study, different melt treatment operations were evaluated and compared to end product's scrap rate using bifilm index (B-I) method. Results clearly show that degassing with finer gas bubbles increases cleaning performance for the removal of any type of bifilms in the melt. B-I method is a reliable and quick way to determine melt quality at any given time during casting process which is found to have a direct correlation with rejection rate.
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