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Article | REF: M7822 V1

Vacuum Arc Remelting Process (VAR)

Authors: Alain JARDY, Isabelle CRASSOUS, Sylvain CHARMOND, Vincent DESCOTES, Stéphane HANS, Yvon MILLET

Publication date: January 10, 2022

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3. Process features and benefits – Details

3.1 Refining – Ingot compactness

The VAR process is particularly well suited to removing volatile compounds from reactive metals at high temperatures. This enables the production of high-performance alloys with a high degree of purity and the chemical and structural homogeneity required for aerospace, nuclear and medical applications. By way of example, two successive VAR remelting operations (§ 1.2

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