Liu, Jun, Wilson, John, Strangwood, Martin, Davis, Claire and Peyton, A. J. (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, 401C . pp. 579-592. doi:10.1016/j.jmmm.2015.10.075 ISSN 0304-8853.

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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:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH):	Hysteresis loop, Steel -- Microstructure
Journal or Publication Title:	Journal of Magnetism and Magnetic Materials
Publisher:	Elsevier Science BV
ISSN:	0304-8853
Official Date:	1 March 2016
Dates:	Date Event 1 March 2016 Published 10 November 2015 Available 10 October 2015 Accepted 29 October 2015 Submitted
Volume:	401C
Number of Pages:	14
Page Range:	pp. 579-592
DOI:	10.1016/j.jmmm.2015.10.075
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access (Creative Commons)
Date of first compliant deposit:	31 December 2015
Date of first compliant Open Access:	31 December 2015
Funder:	Engineering and Physical Sciences Research Council (EPSRC)
Grant number:	EP/K027956/2 (EPSRC)

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