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ABSTRACT
In metallurgy, controlling the shape and stability of an interface between a liquid metal and a covering fluid layer, together with possible mass transfers through this interface, is often necessary. The use of electromagnetic forces, which obviates physical contact with the metal, offers a flexible and effective means of control. This article introduces the basic mechanisms of induction. Actions of magnetic fields on the behavior of free surfaces of liquid metals are illustrated using experimental examples.
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Read the articleAUTHORS
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Jacqueline ETAY: Research Director, Centre national de la recherche scientifique (CNRS) - SIMAP Laboratory, CNRS Grenoble INP UGA, St.-Martin-d'Hères, France
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Yves FAUTRELLE: Professor at the Institut National Polytechnique de Grenoble - SIMAP Laboratory, CNRS Grenoble INP UGA, St.-Martin-d'Hères, France
INTRODUCTION
In metallurgy, it is often necessary to control the shape and stability of an interface between a liquid metal and a covering fluid, as well as the kinetics of any mass transfers at this interface. The use of electromagnetic forces to act on the metal without physical contact is a flexible and effective means of control. This article introduces the fundamental mechanisms of induction. The action of magnetic fields on the behavior of free surfaces of liquid metals is illustrated by experimental examples.
In metallurgy, controlling shape and stability of an interface between a liquid metal and a covering fluid layers as well as possible mass transfers through this interface is needed. The use of electromagnetic forces which allows to operate without physical contact with the metal is a flexible and effective means of control. In this article, basic mechanisms of induction are introduced. Actions of magnetic fields on the behavior of liquid metals free surfaces are illustrated using experimental examples.
Free interface, electromagnetic control, electromagnetic force, levitation, dome, mass transfer at interfaces, magnetic field, induction.
free interface, electromagnetic control, electromagnetic force, levitation, dome, mass transfer, magnetic field, induction
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Metal manufacturing processes and recycling
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