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Quantification of the phase fraction in steel using an electromagnetic sensor

Zhou, L., Liu, J. ORCID:, Hao, X. J., Strangwod, M., Peyton, A. J. and Davis, C. L. 2014. Quantification of the phase fraction in steel using an electromagnetic sensor. NDT and E International 67 , pp. 31-35. 10.1016/j.ndteint.2014.06.007

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The effect of ferrite fraction, in 0.17-0.8 wt{\%} C steels with ferrite-pearlite microstructures, on multi-frequency electromagnetic (EM) sensor readings has been studied. The measured initial relative permeability values agreed well with finite element microstructure model predictions. The EM sensor low frequency inductance value is sensitive to changes in relative permeability and the sensor can measure ferrite fraction in dual-phase steels. Therefore, EM sensors could be used to assess dual-phase (ferrite+pearlite/bainite/martensite) steel microstructures in a non-contact, non-destructive manner. {\textcopyright} 2014 Elsevier Ltd.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: Elsevier
ISSN: 0963-8695
Date of First Compliant Deposit: 14 January 2021
Date of Acceptance: 27 June 2014
Last Modified: 04 May 2023 19:55

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