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A Real-Time Measurement System for In-Situ Ingot Quality Evaluation During Vacuum Arc Remelting

Utilizing magnetic field flux measurements to sense arc conditions during vacuum arc remelting provides a pathway for a realtime measurement system capable of determining deleterious operating conditions that lead to ingot product quality concerns. Here we present the theoretical background for performing these measurements and provide indicative results during operation, including identification of various deleterious operating conditions, some of which are identifiable with the current state-or-art measurements and some that are not. Measurement results will be presented demonstrating the efficacy of the measurement system, including rapid identification of constricted arcs, glows, and shelf fall-in. We will also provide evidence of how these measurements relate to ingot quality and how they can be utilized as a durable record of product quality.
Product:
2022 4th International Ingot Casting Rolling Forging Conference
PR-530-009
P. King, M. Cibula, D. McCulley, J. Molley
June 21, 2022
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