From dipolar interactions of a random distribution of ferromagnetic particles to magnetostriction

被引：44

作者：

Diguet, G. ^{[1
,2
]}

Beaugnon, E. ^{[1
]}

Cavaille, J. Y. ^{[2
]}

机构：

[1] CNRS, CRETA, F-38042 Grenoble, France

[2] Inst Natl Sci Appl, CNRS, UMR5510, MATEIS, F-69621 Villeurbanne, France

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2009年 / 321卷 / 05期

关键词：

Ferromagnetic composite; Dipolar interaction; Magnetostriction; ELASTOMER; COMPOSITES; BEHAVIOR;

D O I：

10.1016/j.jmmm.2008.08.112

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The magnetostriction of a soft matrix, nonmagnetic, randomly filled by ferromagnetic particles is measured and calculated. Dipolar forces between particles have been calculated using a simple model of particles with the same permanent magnetic moment. Forces are injected in an FEM software to evaluate the strain of the composite. The longitudinal strain calculated for a cylinder-shape distribution is positive. A sample with the same shape has been prepared and shows the same strain. (c) 2008 Elsevier B. V. All rights reserved.

引用

页码：396 / 401

页数：6

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