Abstract
Some results are presented for the computer-aided modeling of the frequency dependences of the impedance of a composite highly conductive weakly magnetic strand thin magnetic coating wire. Modeling was performed within a range of alternating current frequencies from 0.01 to 100 MHz in a broad interval of strand and coating specific electroconductivities and coating magnetic permeabilities. Two characteristic frequencies associated with the existence of two areas with different electrical and magnetic parameters, i.e., the strand and the coating were revealed. A convenient method of determining these frequencies is proposed. Modeling results were compared with the experimental frequency dependences of the impedance of a CuBe/FeCoNi composite wire.
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Funding
The modeling and measurements of the impedance of electrodeposited wires were carried out in the Irkutsk state University and supported by the Russian Scientific Foundation (grant no. 22-22-00709, https://rscf.ru/project/22-22-00709/).
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Translated by E. Glushachenkova
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Bukreev, D.A., Derevyanko, M.S., Moiseev, A.A. et al. Modeling and an Experimental Study of the Frequency Dependences of the Impedance of Composite Wires. Phys. Metals Metallogr. 123, 887–892 (2022). https://doi.org/10.1134/S0031918X22090022
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DOI: https://doi.org/10.1134/S0031918X22090022