Laboratory for Mathematical Modelling
of Environmental and Technological Processes

S. Spitans, H. Franz, E. Baake, A. Jakovics

Large-scale Levitation Melting and Casting of Titanium Alloys


In this work a large-scale electromagnetic (EM) levitation melting of metals in two-frequency horizontal fields is investigated. Coupled EM field and free surface flow problems are solved with a three-dimensional model that incorporates Large Eddy Simulation turbulence description. The developed numerical model is used to design a pilot furnace for a stable levitation melting of Al and Ti-6Al-4V samples up to 500 g. The new FastCast concept that utilizes the novel crucible-less levitation melting method for industrial mass production of single-shot castings (e. g. Ti-6Al-4V turbocharger impellers up to 500 g) is introduced.

Full paper

Proceedings of the VIII International Scientific Colloquim "Modelling for Materials Processing", Riga, Latvia, (2017), pp. 59-66.