Vacuum Induction Melting
Vacuum induction melting (VIM) is often done as the primary melting operation followed by secondary melting (remelting) operations. This article presents the process description of VIM and illustrates potential processing routes for products, which are cast from VIM ingots or electrodes. It describes the VIM refinement process, which includes removal of trace elements, nitrogen and hydrogen degassing, and deoxidation. The article concludes with information on production of nonferrous materials by VIM.
2008. "Vacuum Induction Melting", Casting, Srinath Viswanathan, Diran Apelian, Raymond J. Donahue, Babu DasGupta, Michael Gywn, John L. Jorstad, Raymond W. Monroe, Mahi Sahoo, Thomas E. Prucha, Daniel Twarog
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