Stabilization and Holding of Metals by Magnetic Field,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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Most metals in a molten state have a high degree of chemical activity. The material of the crucible dissolves in the molten metal and contaminates it. Modern technology has often posed the problem of obtaining a metal which is of the same purity after melting as before. This problem becomes particularly acute when superpure and refractory materials are desired. A promising solution to this problem appears to be the use of an electromagnetic crucible. A device is describes in which molten metal is held by the forces of the electromagnetic field and does not have direct contact with any substance.
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