Investigation on Improvement of Magnetic Properties of Semi Processed Materials by using High-Temperature and Rapid Low-frequency Induction Heating

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  • 高温・急速低周波誘導加熱によるセミプロセス材の磁気特性向上に関する検討

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<p>In order to reduce power consumption, research is being actively conducted to reduce iron losses of electrical steel sheets, which are the common core material of electric motors. Semi processed materials usually need to be annealed after forming into motor cores, and applying rapid heating is expected to significantly improve their magnetic properties. In this study, we focused on use of induction heating techniques, which enable short annealing time, and investigated the annealing effect on semi processed materials. In this paper, a low frequency induction heating annealing was applied to the semi processed materials, and it was shown that the magnetic property was improved by annealing at high temperature during short annealing period.</p>

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