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A constitutive law for magnetostrictive materials and its application to Terfenol-D single and polycrystals

Published online by Cambridge University Press:  28 March 2008

L. Daniel  and
N. Galopin
L. Daniel*
Affiliation:
Laboratoire de Génie Électrique de Paris, CNRS UMR 8507, SUPELEC, Univ. Paris-Sud, UPMC Univ. Paris 06, 11 rue Joliot-Curie, Plateau de Moulon, 91192 Gif-sur-Yvette Cedex, France
N. Galopin
Affiliation:
Laboratoire de Génie Électrique de Paris, CNRS UMR 8507, SUPELEC, Univ. Paris-Sud, UPMC Univ. Paris 06, 11 rue Joliot-Curie, Plateau de Moulon, 91192 Gif-sur-Yvette Cedex, France
*
laurent.daniel@lgep.supelec.fr
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Abstract

This paper addresses a multiscale strategy for the prediction of anhysteretic magneto-elastic behavior and its application to the definition of a magneto-elastic constitutive law for Terfenol-D. The multiscale modeling is based on an energetic procedure at the single crystal scale. Localization and homogenization procedures are then applied to deduce the constitutive law of polycrystalline media from the behavior of the corresponding single crystal. The method is applied first to define the magneto-elastic behavior of single crystals, and the application to polycrystalline samples is then considered. Modeling results are compared to experimental data.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 42 , Issue 2 , May 2008 , pp. 153 - 159
Copyright
© EDP Sciences, 2008

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