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Article Dans Une Revue European Physical Journal: Applied Physics Année : 2009

An analytical model for the ΔE effect in magnetic materials

Résumé

The effect is often presented as the dependency of the Young's modulus of a material on its state of magnetization. Nevertheless, the elastic properties of a magnetic material do not depend on the magnetization state. Actually, the sensitivity of the magnetostriction strain to the application of a stress explains the effect. According to this statement, a semi-analytical model for the effect is proposed, in which magnetization rotation is not considered. An experimental procedure to measure the effect in magnetic materials is then built-up. Experimental and modeling results are finally compared, with satisfying agreement.

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Dates et versions

hal-00480146 , version 1 (03-05-2010)

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L. Daniel, Olivier Hubert. An analytical model for the ΔE effect in magnetic materials. European Physical Journal: Applied Physics, 2009, 45 (3), pp.1-11. ⟨10.1051/epjap/2009012⟩. ⟨hal-00480146⟩
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