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Distortion analysis of magnetic excitation – a novel method for non-destructive evaluation of depth of surface-hardening in ferritic steels

Lookup NU author(s): Dr Moorthy Vaidhianathasamy

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by Taylor & Francis, 2014.

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Abstract

The influence of ferritic steel samples with different case-depths on the distortion behaviour of magnetic excitation voltage has been investigated. The systematic changes in the height and position of the peak and the trough on the ((dVE/dt) vs. VT) profile (distortion analysis of the magnetic excitation, DAME profile) reflect the difference in the magnetization process and hence the effect of distortion of VE in samples with different case-depths. This study shows the potential of this simple DAME method for evaluation of ferromagnetic steel components.

Publication metadata

Author(s): Moorthy V

Publication type: Article

Publication status: Published

Journal: Philosophical Magazine Letters

Year: 2014

Volume: 94

Issue: 9

Pages: 564-572

Online publication date: 18/08/2014

Acceptance date: 09/07/2014

Date deposited: 17/02/2015

ISSN (print): 0950-0839

ISSN (electronic): 1362-3036

Publisher: Taylor & Francis

URL: http://dx.doi.org/10.1080/09500839.2014.944601

DOI: 10.1080/09500839.2014.944601

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