electroslag refining

electroslag refining
a specialized steel making process in which a rolled or a cast ingot in the form of an electrode is remelted in a water cooled copper mold. The melting is activated by resistive heat generated in a conductive slag. The resulting product has a similar basic chemical composition to the original ingot, but is characterized by high purity and low inclusion content. Typical applications include high integrity components for the aerospace industry.

Mechanics glossary. 2013.

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