Elboubakraoui, C. and Bri, S. and Foshi, J. (2017) Electromagnetic properties of polymer composites Co52Cr22Ni10W7,5Fe1,5 and Fe59Cr21,5Ni7Si1Mn10 at Ku band. FME Transactions, 45 (4). pp. 678-683.

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Abstract

The electromagnetic properties of polymer composites can be obtained by inverting the numerically simulated reflection S11 and transmission S21. Two composites containing amorphous glass-coated microwire Co52Cr22Ni10W7,5Fe1,5 and Fe59Cr21,5Ni7Si1Mn10 are investigated in Ku band. The results show that the imaginary part of permittivity is quite weak, and can be considered as zero, which means that there is no dielectric loss. It is shown that the decrease in the spacing between the inclusions strongly affects the magnetic response in comparison with the dielectric response of the two composites, which is characterized by a ferromagnetic resonance peak FMR. We also present an investigation related to an electromagnetic radiation absorber for a preselected frequency range between 12 and 18 GHz. With the increase of microwire spacing, the minimum reflection loss decreases firstly and then increases, and shifts towards lower frequency band. © Faculty of Mechanical Engineering, Belgrade.

Item Type: Article
Subjects: Engineering
Divisions: SCIENTIFIC PRODUCTION > Engineering
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:47
URI: http://eprints.umi.ac.ma/id/eprint/3237

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