Simulation of Slag-Skin Formation in Electroslag Remelting Using a Volume-of-Fluid Method

A modified volume-of-fluid method is implemented in a fixed-grid, finite-volume model simulating transport phenomena, solidification, and electromagnetics. The VOF model agrees well with published results, and the complete model is used to investigate process variations in the electroslag remelting...

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Bibliographic Details
Published in:Numerical heat transfer. Part A, Applications Applications, 2015-02, Vol.67 (3), p.268-292
Main Authors: Yanke, Jeffrey, Fezi, Kyle, Trice, Rodney W., Krane, Matthew John M.
Format: Article
Language:English
Subjects:
Computer simulation
Electrodes
Electromagnetics
Electroslag melting
Electroslag remelting
Formations
Liquid metals
Mathematical models
Molds
Simulation
Slags
Solidification
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Summary:A modified volume-of-fluid method is implemented in a fixed-grid, finite-volume model simulating transport phenomena, solidification, and electromagnetics. The VOF model agrees well with published results, and the complete model is used to investigate process variations in the electroslag remelting process, in which liquid metal is melted from a consumable electrode immersed in an electrically resistive slag. The molten metal sinks through the slag cap floating on the liquid metal pool while a slag skin freezes to the mold. Here a VOF tracks slag skin formation and its effects on melt rate with different current levels and ingot diameters.
ISSN:1040-7782
1521-0634
DOI:10.1080/10407782.2014.937208