Microwave Radiation Absorption at a Frequency of 2.45 GHz
by a Composite Based on the Dust
of Electrical Arc Steel-Making Furnaces

A. P. Anzulevich; Анзулевич А. П.; D. A. Pavlov; Павлов Д. А.; D. A. Kalganov; Калганов Д. А.; L. N. But’ko; Бутько Л. Н.; V. A. Tolkachev; Толкачев В. А.; L. Yu. Kovalenko; Коваленко Л. Ю.; Z. Peng; Пенг Ц.

doi:10.31857/S0015323022601994

Microwave Radiation Absorption at a Frequency of 2.45 GHz by a Composite Based on the Dust of Electrical Arc Steel-Making Furnaces

Authors: Anzulevich A.P.¹, Pavlov D.A.¹, Kalganov D.A.¹^,2, But’ko L.N.¹, Tolkachev V.A.¹, Kovalenko L.Y.¹, Peng Z.³
Affiliations:
1. Chelyabinsk State University Named after the Kashiriny Brothers
2. Institute of Fine Mechanics and Optics National Research University
3. Central South University, School of Minerals Processing and Bioengineering
Issue: Vol 124, No 4 (2023)
Pages: 360-367
Section: ЭЛЕКТРИЧЕСКИЕ И МАГНИТНЫЕ СВОЙСТВА
URL: https://journals.rcsi.science/0015-3230/article/view/139395
DOI: https://doi.org/10.31857/S0015323022601994
EDN: https://elibrary.ru/VIPORI
ID: 139395

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Abstract
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Abstract

The physicochemical transformations and electromagnetic properties of a composite based on the dust of electrical arc steel-making furnaces and a carbon-containing material (hydrolysis lignin) have been studied. The complex dielectric permittivity of the studied material was measured by the resonator method during heating to 800°C. At room temperature, the effective values of the magnetic permeability and loss of the composite mixture were calculated by solving the Bruggeman equation according to the effective medium theory. The magnetic permeability during heating was found by orthogonal regression. The numerical model
of heating a dense packing from several layers of studied material grains was constructed by the finite element method with consideration of the real properties and physicochemical transformations.

Keywords

microwave heating, phase transitions, composite material, electromagnetic properties, dielectric permittivity, magnetic permeability, electrical arc steel-making furnace dust, effective medium theory

References

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