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Multifunctional induction coil sensor for evaluation of carbon content in carbon steel

Wang, Yujue, Melikhov, Yevgen ORCID: and Meydan, Turgut ORCID: 2023. Multifunctional induction coil sensor for evaluation of carbon content in carbon steel. IEEE Transactions on Magnetics 59 (2) , 6000305. 10.1109/TMAG.2022.3217954

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Carbon steel has proven to be an important structural and functional material that plays an irreplaceable role in the worldwide economy. The influence of carbon on the mechanical and magnetic properties of the steel is well understood. Thus, the precise knowledge of the amount of carbon content in steel is crucial. Magnetic Barkhausen noise (MBN), magnetic hysteresis loop (MHL) and impedance measurements are reliable tools to assess carbon content. In this work, a multifunctional induction coil sensor used for MBN, MHL and impedance measurements is designed and optimised. A multifunctional measurement system using the optimised induction coil is employed to measure MBN, MHL and impedance signals. The parabolic dependence of the maximum value of MBN envelope on carbon content in steel is theoretically analysed and experimentally verified. Coercive field and remanence from MHL measurements as well as the maximum impedance value are found to be proportional to carbon content and their dependence is explained with analytical simulations.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: Institute of Electrical and Electronics Engineers
ISSN: 0018-9464
Date of First Compliant Deposit: 28 November 2022
Date of Acceptance: 25 October 2022
Last Modified: 07 Jul 2023 17:32

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