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Journal of the Korean Ceramic Society 1998;35(1): 33. |
| 턴디쉬용 코팅재에 의한 강중 개재물 저감효과 |
| 조문규, 이석근 |
| 포항산업과학연구원 소재연구부문 내화재료연구팀 |
| The Removal of Inclusions in Molten Steel by Coating Materials for Tundish |
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| ABSTRACT |
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A MgO-CaO-based coating material for ferrous melt refining is applied to the tundish operation for mol-ten steel having low carbon. The changes in the total oxygen content insoluble aluminum content and the content of inclusions in molten steel during tundish operation were measured at the pouring part strand of tundish and mold. On the basis of the experimental results the interfacial reaction occurring between the coating materials and the molten steel in tundish was discussed and compared with the theoretical con-sideration. It is concluded that interfacial reaction is not active at the strand part of tundish but is active at the pouring part because of the turbulent flow in the molten steel. |
| Key words:
Steelmaking, Continuous casting, Coating material, Tundish, Inclusion |
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