Harding, R. A., Wickins, M, Bojarevics, Valdis ORCID: https://orcid.org/0000-0002-7326-7748 and Pericleous, Kyriacos ORCID: https://orcid.org/0000-0002-7426-9999 (2003) Obtaining data to validate a model of an induction skull melting furnace. In: Modeling of Casting, Welding and Advanced Solidification Processes. TMS, Destin, FL, pp. 741-748. ISBN 0873395557

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Abstract

A casting route is often the most cost-effective means of producing engineering components. However, certain materials, particularly those based on Ti, TiAl and Zr alloy systems, are very reactive in the molten condition and must be melted in special furnaces. Induction Skull Melting (ISM) is the most widely-used process for melting these alloys prior to casting components such as turbine blades, engine valves, turbocharger rotors and medical prostheses. A major research project is underway with the specific target of developing robust techniques for casting TiAl components. The aims include increasing the superheat in the molten metal to allow thin section components to be cast, improving the quality of the cast components and increasing the energy efficiency of the process. As part of this, the University of Greenwich (UK) is developing a computer model of the ISM process in close collaboration with the University of Birmingham (UK) where extensive melting trials are being undertaken. This paper describes the experimental measurements to obtain data to feed into and to validate the model. These include measurements of the true RMS current applied to the induction coil, the heat transfer from the molten metal to the crucible cooling water, and the shape of the column of semi-levitated molten metal. Data are presented for Al, Ni and TiAl.

Item Type:	Conference Proceedings
Title of Proceedings:	Modeling of Casting, Welding and Advanced Solidification Processes
Additional Information:	Proceedings of the Tenth International Conference on Modeling of Casting, Welding and Advanced Solidification Processes; Destin, FL; 25 May 2003 through 30 May 2003; Code 61613 Also known as MCWASP X
Uncontrolled Keywords:	modeling, casting, welding, advanced solidification processes, MCWASP, melting furnaces, titanium alloys, valves (mechanical), induction skull melting (ISM),
Subjects:	Q Science > QC Physics T Technology > TS Manufactures
Pre-2014 Departments:	School of Computing & Mathematical Sciences School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Science & Engineering Group School of Computing & Mathematical Sciences > Department of Computer Systems Technology School of Computing & Mathematical Sciences > Department of Mathematical Sciences
Last Modified:	27 Apr 2020 22:56
URI:	http://gala.gre.ac.uk/id/eprint/669

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