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|Title:||Effect of particle diameter and packing density on heating of metallic iron particles in alternating magnetic field|
|Authors:||Krekhno, R. V.|
Safronov, A. P.
Beketov, I. V.
|Publisher:||Institute of Physics Publishing|
|Citation:||Krekhno R. V. Effect of particle diameter and packing density on heating of metallic iron particles in alternating magnetic field / R. V. Krekhno, A. P. Safronov, I. V. Beketov. — DOI 10.1088/1742-6596/1389/1/012056 // Journal of Physics: Conference Series. — 2019. — Vol. 1. — Iss. 1389. — 12056.|
|Abstract:||The heat losses originated from the electro-magnetic absorption in mechanically packed metallic iron nano- and micro-sized magnetic particles (MPs) and in magnetic epoxybased composites with embedded MPs were studied by Calvet microcalorimetry. Nano-sized MPs with numerical average diameter 40 nm were synthesized by electrical explosion of wire method; micro-sized MPs with numerical average diameter 2 μm were synthesized by flame decomposition of the iron pentacarbonyl. The specific loss power (SLP) of re-magnetization of press-packed powdered samples and epoxy composites in magnetic field 1750 A/m at 214 kHz was measured as a function of the volume fraction of MPs in the sample. The results showed up that SLP depended both on particle size and on volume fraction, which meant the significant effect of magnetic interaction among particles on the heat losses in electromagnetic absorption. © Published under licence by IOP Publishing Ltd.|
ALTERNATING MAGNETIC FIELD
|metadata.dc.description.sponsorship:||Russian Foundation for Basic Research, RFBR: 18-08-00178|
Russian Academy of Sciences, RAS
The study has been done with the financial support of RF State Assignment of IEP UB RAS as well as of the Russian Foundation of Basic Research, project 18-08-00178
|Appears in Collections:||Научные публикации, проиндексированные в SCOPUS и WoS CC|
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