Performance of radar absorbing materials by waveguide measurements for X- and Ku-band frequencies

In this work, samples consisting of an elastomeric matrix containing different kinds of active materials in particulate form were prepared for reflectivity measurements. The materials individually used in weight contents of 80% in polychloroprene matrix were: carbonyl-iron (CI) and doped ferrite pow...

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Veröffentlicht in:	European polymer journal 2002-11, Vol.38 (11), p.2321-2327
Hauptverfasser:	Pinho, Magali Silveira, Gregori, Maria Luisa, Nunes, Regina Célia Reis, Soares, Bluma Guenther
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Carbonyl-iron Composites Doped ferrite Elastomeric composites Exact sciences and technology Forms of application and semi-finished materials Microwave absorbing materials Polymer industry, paints, wood Technology of polymers Waveguide
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container_title	European polymer journal
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creator	Pinho, Magali Silveira Gregori, Maria Luisa Nunes, Regina Célia Reis Soares, Bluma Guenther
description	In this work, samples consisting of an elastomeric matrix containing different kinds of active materials in particulate form were prepared for reflectivity measurements. The materials individually used in weight contents of 80% in polychloroprene matrix were: carbonyl-iron (CI) and doped ferrite powders. The microwave reflectivity levels were determined from the magnetic and dielectric properties of the elastomeric composites obtained from scattering data, by fitting the samples in a waveguide, for measurements in the frequency range from 8 to 16 GHz. Better microwave absorption for X-band was obtained for CI while doped ferrite absorbed at higher frequencies (Ku-band).
doi_str_mv	10.1016/S0014-3057(02)00118-0
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subjects	Applied sciences Carbonyl-iron Composites Doped ferrite Elastomeric composites Exact sciences and technology Forms of application and semi-finished materials Microwave absorbing materials Polymer industry, paints, wood Technology of polymers Waveguide
title	Performance of radar absorbing materials by waveguide measurements for X- and Ku-band frequencies
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