Materials for microwave equipment shielding. Part 1

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Abstract

The article presents the electrophysical properties in the microwave range of electrically conductive silicone rubber filled with Cu / Ag and Ke / Ag powders and a polymer absorber filled with carbon materials. Research has shown the high efficiency of materials for shielding and absorbing electromagnetic radiation.

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About the authors

K. Matyskin

ООО «МК-Полимер»

Author for correspondence.
Email: trof@mk-polymer.ru

главный инженер

Russian Federation

A. Denisenko

ООО «МК-Полимер»

Email: trof@mk-polymer.ru

технический директор

Russian Federation

E. Korovin

Национальный исследовательский Томский государственный университет (НИ ТГУ)

Email: trof@mk-polymer.ru

к. ф-м. н.

Russian Federation

E. Trofimov

ООО «МК-Полимер»; Национальный исследовательский Томский государственный университет (НИ ТГУ)

Email: trof@mk-polymer.ru

руководитель направления «Специальные материалы»; аспирант

Russian Federation

References

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  3. Орешина М. Н., Савенко Е. Ю. Исследования воздействия электромагнитных излучений на организм человека // Известия ТулГУ. Технические науки, 2021, Вып. 3, C. 342–347.
  4. Lv X.-K., Yu J.-G. Novel Silver-Plated Nickel-Coated Graphite Powder with Excellent Heat and Humidity Resistance: Facile Preparation and Performance Investigation // Molecules. 2022. V. 27. P. 4007.
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  7. Трофимов Е. А., Кулешов Г. Е., Москаленко В. Д., Бадьин А. В., Дорожкин К. В. Электромагнитные характеристики композиционных конструкций с пирамидальной и пористой структурами в терагерцовом диапазоне // Радиоэлектроника и электродинамика СВЧ, КВЧ и ГВЧ. 2021. С. 133–135.
  8. Malek F., Cheng E. M., Nadiah O., Nornikman H., Ahmed M., Abd Aziz M. Z.A. et al. Rubber tire dust-rice husk pyramidal microwave absorber // Progress In Electromagnetics Research. V. 117. PP. 449–477.
  9. ООО «МК-Полимер». https://mk-polymer.ru.
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  12. Шевченко В. Г. Основы физики полимерных композиционных материалов. Московский государственный университет имени М. В. Ломоносова. 2010. 99 с.
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Supplementary files

Supplementary Files
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1. JATS XML
2. Fig. 1. Schematic diagram of the connection of protected electrodes for measuring the specific volume resistance

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3. Fig. 2. Vector analyzer R4M-18

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4. Fig. 3. Spectra of the real (a) and imaginary (b) parts of the permittivity of a series of samples with different mass contents of Cu/Ag powders in silicone rubber

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5. Fig. 4. Spectra of the real (a) and imaginary (b) parts of the permittivity of a series of samples with different mass contents of Ke/Ag powders in silicone rubber

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6. Fig. 5. Modeling the shielding efficiency of a metal case with a P-type bundle: a - P-type profile; b - case model; c - EMI coming out of the metal case through the gaps in the lid

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7. Fig. 6. Dependence of the shielding level of the metal case on the gap width

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8. Fig. 7. Spectra of complex permittivity of conductive thermoplastics with carbon fillers

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9. Fig. 8. Dependence of the reflection coefficient on the frequency and thickness of the material layer on the metal

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10. Fig. 9. Dependence of the transmission coefficient on the frequency and thickness of the material layer

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Copyright (c) 2023 Matyskin K., Denisenko A., Korovin E., Trofimov E.

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