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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2020-12-10
Homogenization of Metal Grid Reinforced Composites for Near-Field Low Frequency Magnetic Shielding
By
Ghida Al Achkar,

    Dr. Ghida Al Achkar

    Université Paris-Saclay

    France

    Homepage

Lionel Pichon,

    Dr. Lionel Pichon

    CentraleSupelec, CNRS

    Université Paris-Saclay

    France

    Homepage

Mohamed Bensetti,

    Dr. Mohamed Bensetti

    Université Paris-Saclay

    France

    Homepage

Laurent Daniel

    Dr. Laurent Daniel

    Université Paris-Saclay

    France

    Homepage

Progress In Electromagnetics Research M, Vol. 99, 153-163, 2021
doi:10.2528/PIERM20052402 | Google Scholar

Abstract
The purpose of this paper is to provide simple analytical homogenization methods for composite materials containing a metallic wire grid. Estimating their effective electrical properties facilitates the numerical simulation of composite structures for shielding applications in the automotive industry. The presented methods are based on surface impedance approaches and effective media theory. The obtained results show that the shielding properties of the described wire grid composites can be accurately estimated and bounded, using the proposed theories in the low frequency range. The frequency limits vary according to the studied sample. For the presented materials, the validity of the results is shown to be up to a few megahertz. The experimental validation is done by measuring the shielding effectiveness of composite samples using a near-field test bench.
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Citation
Ghida Al Achkar, Lionel Pichon, Mohamed Bensetti, and Laurent Daniel, "Homogenization of Metal Grid Reinforced Composites for Near-Field Low Frequency Magnetic Shielding," Progress In Electromagnetics Research M, Vol. 99, 153-163, 2021.
doi:10.2528/PIERM20052402
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