Meniscus Behavior in Electromagnetic Soft-Contact Continuous Casting Round Billet Mold

Using molten Pb-Sn-Bi alloy, the meniscus shape under high frequency magnetic field of φ100 mm round billet caster was investigated. The effect of some parameters on meniscus shape was studied. The results show that for a mold with 12 segments, the meniscus shape is relatively stable. With increasin...

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Bibliographic Details
Published in:Journal of iron and steel research, international international, 2006-07, Vol.13 (4), p.13-16
Main Authors: DENG, An-yuan, WANG, En-gang, HE, Ji-cheng
Format: Article
Language:English
Subjects:
continuous casting
high frequency magnetic field
meniscus behavior
soft-contact mold
弯月面
软接触方法
高频磁场
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Summary:Using molten Pb-Sn-Bi alloy, the meniscus shape under high frequency magnetic field of φ100 mm round billet caster was investigated. The effect of some parameters on meniscus shape was studied. The results show that for a mold with 12 segments, the meniscus shape is relatively stable. With increasing power input, the menis- cus height increases with intensification of fluctuation. For the given caster, the reasonable power input is about 70 kW. The coil should be near to the top of mold and/or the initial meniscus should be near to the center of the coil. The lower the frequency, the higher is the meniscus height. With increasing frequency, the free surface is more flattened and meniscus becomes more stable. In practice, the power input should be increased simultaneously with frequency. The optimal frequency is about 20 kHz.
ISSN:1006-706X
2210-3988
DOI:10.1016/S1006-706X(06)60069-1