Modeling 2-D magnetostriction in nonoriented electrical steels using a simple magnetic domain model

Moses, Anthony J., Anderson, Philip I. ORCID: https://orcid.org/0000-0001-6500-6583 and Somkun, Sakda 2015. Modeling 2-D magnetostriction in nonoriented electrical steels using a simple magnetic domain model. IEEE Transactions on Magnetics 51 (5) , 6000407. 10.1109/TMAG.2015.2402111

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Abstract

Magnetostriction in electrical steel is a source of acoustic noise and vibration of rotating electrical machine cores. Magnetostriction of nonoriented (NO) steel under 2-D magnetization is much greater than that under unidirectional, alternating magnetization. An analytical interpretation of the relevance of 2-D magnetostriction and magnetostrictive anisotropy of NO steel based on a simple magnetic domain model is presented. The analysis helps explain the effect of anisotropy on 2-D magnetostriction measurements made on commercial NO steels with different anisotropy factors. The magnitude of the 2-D magnetostriction is shown to depend on the magnetostrictive anisotropy and magnetic Poisson's ratio.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Publisher:	Institute of Electrical and Electronics Engineers (IEEE)
ISSN:	0018-9464
Last Modified:	28 Oct 2022 09:21
URI:	https://orca.cardiff.ac.uk/id/eprint/74249

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