Article ID Journal Published Year Pages File Type
1803209 Journal of Magnetism and Magnetic Materials 2009 6 Pages PDF
Abstract

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.

Related Topics
Physical Sciences and Engineering Physics and Astronomy Condensed Matter Physics
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