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Published in:
2016 | OriginalPaper | Chapter
Removel of Non-Metallic Inclusions from Molten Steel Using a High Frequency Magnetic Field
Authors : Shengqian Wang, Lifeng Zhang, Yue Tian
Published in: Celebrating the Megascale
Publisher: Springer International Publishing
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This paper is to discuss the removal of non-metallic inclusions from molten steel using a high frequency magnetic field. In experiments, a certain amount of aluminum was added to the molten steel in a crucible to generate aluminum inclusions. A layer of aluminum clusters were observed close to the wall of the crucible after the electromagnetic (EM) field was imposed. Three dimensional EM field and fluid flow simulation were performed and showed that over 91% inclusions transported to the skin depth (2.31 mm) of the molten steel. The calculation of inclusion removal agreed well with the experimental observation. The separation mechanisms of inclusions from the molten steel by the high frequency EM field were discussed.