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Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 67, 2015 - Issue 3
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Original Articles

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

Jeffrey Yanke School of Materials Engineering, Purdue Center for Metal Casting Research, Purdue University, West Lafayette, IN, USA; Carpenter Technology Corporation, Reading, PA, USA
,
Kyle Fezi School of Materials Engineering, Purdue Center for Metal Casting Research, Purdue University, West Lafayette, IN, USA
,
Rodney W. Trice School of Materials Engineering, Purdue Center for Metal Casting Research, Purdue University, West Lafayette, IN, USA
&
Matthew John M. Krane School of Materials Engineering, Purdue Center for Metal Casting Research, Purdue University, West Lafayette, IN, USACorrespondence[email protected]
Pages 268-292 | Received 05 Dec 2013, Accepted 03 May 2014, Published online: 23 Oct 2014
 
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Abstract

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.

Notes

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