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Optimal Design of Magnetostrictive Composites: An Analytical Approach

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3 Author(s)
Corcolle, R. ; Univ. Paris-Sud, Paris ; Daniel, L. ; Bouillault, F.

Giant magnetostriction materials, such as Terfenol-D, have allowed the development of a new class of actuators and sensors based on magnetoelastic properties. However, their mechanical properties are a limiting factor for some applications. Composites, made of Terfenol-D particles in a matrix, can bypass these limitations, improving the overall mechanical properties while maintaining the magnetostriction effect. But, to optimize the design of magnetostrictive composites, advanced modeling tools are needed. This paper proposes a homogenization model based on inclusion problems. It compares modeling results to experimental data from the literature, and it illustrates the use of the model as a tool for optimal design.

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Magnetics, IEEE Transactions on  (Volume:44 ,  Issue: 1 )