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

Moses, Anthony J., Anderson, Philip I. 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: 13 Mar 2020 13:30
URI: http://orca.cf.ac.uk/id/eprint/74249

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