Magnetic characterisation of microstructural feature distribution in P9 and T22 steels by major and minor BH loop measurements

Liu, Jun ORCID: https://orcid.org/0000-0002-4549-2833, Wilson, John, Strangwood, Martin, Davis, Claire L. and Peyton, Anthony 2016. Magnetic characterisation of microstructural feature distribution in P9 and T22 steels by major and minor BH loop measurements. Journal of Magnetism and Magnetic Materials 401 , pp. 579-592. 10.1016/j.jmmm.2015.10.075

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Abstract

This paper investigates the magnetic properties and parameters measured from major/minor loops and used to characterise different microstructural feature distributions in P9 and T22 steel in different heat treatment or service conditions. The present study introduces a non-destructive way of selecting microstructural features of interest and/or excluding those of little relevance by examination of minor loop measurements at a selected range of applied fields and discusses the fundamental mechanism in terms of domain processes. There is remarkable consistency in magnetic behaviours and properties such as initial/incremental permeability values between the measurements by different techniques. This behaviour has been ascribed to the similar underlying domain processes and hence similar selected microstructural features that are affecting the domain processes.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Publisher:	Elsevier
ISSN:	0304-8853
Date of First Compliant Deposit:	14 January 2021
Date of Acceptance:	20 October 2015
Last Modified:	06 May 2023 01:03
URI:	https://orca.cardiff.ac.uk/id/eprint/137571

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