Numerical Modeling and Optimization of Electrode Induction Melting for Inert Gas Atomization (EIGA)

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Original languageEnglish
Pages (from-to)1918-1927
Number of pages10
JournalMetallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
Volume51
Issue number5
Early online date10 Aug 2020
Publication statusPublished - Oct 2020

Abstract

Electrode Induction Melting Inert Gas Atomization (EIGA) is the state-of-the-art process for the high-quality spherical powder production for additive manufacturing needs. The growing demand for EIGA powders drives the interest for the scale-up of well-established atomization of small Ø50 mm Ti-6Al-4V electrodes, as well as atomization of new refractory materials like Tantalum. However, during first tests with Ø150 mm Ti-6Al-4V and Ø50 mm Tantalum electrodes, the difficulties with melting stability were observed. In order to overcome these difficulties and to improve understanding of details of inductive coupling and favorable melting conditions, a numerical model for the electrode induction melting has been developed and applied.

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Numerical Modeling and Optimization of Electrode Induction Melting for Inert Gas Atomization (EIGA). / Spitans, Sergejs; Franz, Henrik; Baake, Egbert.
In: Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science, Vol. 51, No. 5, 10.2020, p. 1918-1927.

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