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A phenomenological magnetomechanical hysteresis model
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
1994 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 75, no 10, 5496-5498 p.Article in journal (Refereed) Published
Abstract [en]

To obtain accurate design tools for applications involving giant magnetostrictive materials, magnetomechanical hysteresis effects should be taken into account. The problem consists of determining the magnetization and mechanical strain from the combined past history of magnetic field and mechanical stress. In this work, coupled magnetomechanical hysteresis has been modeled by using simple path #x2010;dependent differentials to accumulate the past history in functions related to the magnetization and strain through material #x2010;dependent parameters. By using anhysteretic curves and a few additional parameters to characterize a material, major, and minor loops with respect to both field and stress have been calculated for Terfenol #x2010;D and have shown good agreement with experiments.

Place, publisher, year, edition, pages
1994. Vol. 75, no 10, 5496-5498 p.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-71990DOI: 10.1063/1.355668OAI: oai:DiVA.org:kth-71990DiVA: diva2:487105
Note
NR 20140805Available from: 2012-01-31 Created: 2012-01-31 Last updated: 2017-12-08Bibliographically approved

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