Development and study of protective properties of the composite materials for shielding the electromagnetic fields of a wide frequency range

Authors

DOI:

https://doi.org/10.15587/1729-4061.2020.201330

Keywords:

composite materials, electromagnetic field, electromagnetic shield, magnetic fluid, ultrasonic treatment, shielding factor

Abstract

Composites were shown to be the most promising materials for protection against electromagnetic fields. A technology of magnetic treatment of textile material with magnetic fluid and technology of ultrasonic treatment of a mixture of latex and iron ore concentrate has been developed. This has increased saturation of fibers of the textile material with magnetic fluid nanoparticles, dispersity of the iron ore concentrate, and isotropy of the liquid metal-polymer material. As a result of the use of this technology, the consumption of magnetic fluid for the treatment of the textile material decreased from 45‒50 g/m2 to 35 g/m2 with an improvement of shielding properties. It has been experimentally established that one layer of metal-textile material reduces the magnetic field of industrial frequency by 6 times and the electric field of industrial frequency by 1.5 times. Corresponding figures for the metal-polymer material were 3 and 2. It was found that an electromagnetic field with a frequency of 2.45 GHz is reduced 3.6 times by the single-layer metal-textile material and 5.7 times by the metal-polymer material. It was shown that the metal-textile material with such properties is suitable for the manufacture of personal protective means for personnel operating electrical and radio transmission equipment. Metal-polymeric material is suitable for the manufacture of collective protective means. A calculated evaluation of the effectiveness of protective materials was proposed. It is based on determining the shielding factors of structures of standard shapes. This enables the determination of electrophysical and magnetic properties of the material and their use in the development of protective materials with required shielding factors. The necessity of optimization of shielding factors under conditions of simultaneous influence of electromagnetic fields of heterogeneous sources was substantiated

Author Biographies

Valentyn Glyva, National Aviation University Liubomyra Huzara ave., 1, Kyiv, Ukraine, 03058

Doctor of Technical Sciences, Professor, Head of Department

Department of Civil and Industrial Safety

Natalia Kasatkina, National University of Food Technologies Volodymyrska str., 68, Kyiv, Ukraine, 01601

Doctor of Technical Sciences, Head of Department

Department of Doctoral and Post-Graduate

Vasyl Nazarenko, State Institution «Kundiiev Institute of Occupational Health of the National Academy of Medicals Sciences of Ukraine» Saksahanskoho str., 75, Kyiv, Ukraine, 01033

Doctor of Biological Sciences, Senior Researcher, Head of Laboratory

Laboratory of Study and Standardization of Physical Factors of Working Environment

Nataiia Burdeina, Kyiv National University of Construction and Architecture Povitroflotsky ave., 31, Kyiv, Ukraine, 03037

PhD, Associate Professor

Department of Physics

Nataliia Karaieva, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute» Peremohy ave., 37, Kyiv, Ukraine, 03056

PhD, Associate Professor

Department of Automation of Designing of Energy Processes and Systems

Larysa Levchenko, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute» Peremohy ave., 37, Kyiv, Ukraine, 03056

PhD, Associate Professor

Department of Automation of Projection of Power Processes and Systems

Olena Panova, Kyiv National University of Construction and Architecture Povitroflotsky ave, 31, Kyiv, Ukraine, 03037

PhD, Associate Professor, Head of Department

Department of Physics

Oksana Tykhenko, National Aviation University Liubomyra Huzara ave., 1, Kyiv, Ukraine, 03058

PhD, Associate Professor

Department of Ecology

Batyr Khalmuradov, National Aviation University Liubomyra Huzara ave., 1, Kyiv, Ukraine, 03058

PhD, Professor

Department of Civil and Industrial Safety

Oleksiy Khodakovskyy, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute» Peremohy ave., 37, Kyiv, Ukraine, 03056

PhD, Associate Professor

Department of Automation of Projection of Power Processes and Systems

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Published

2020-04-30

How to Cite

Glyva, V., Kasatkina, N., Nazarenko, V., Burdeina, N., Karaieva, N., Levchenko, L., Panova, O., Tykhenko, O., Khalmuradov, B., & Khodakovskyy, O. (2020). Development and study of protective properties of the composite materials for shielding the electromagnetic fields of a wide frequency range. Eastern-European Journal of Enterprise Technologies, 2(12 (104), 40–47. https://doi.org/10.15587/1729-4061.2020.201330

Issue

Section

Materials Science