Increase in the coercivity of an ensemble of (DyPr)–(CoFe)–B microparticles during their dispersion in a polymer matrix

E. N. Kablov; O. G. Ospennikova; D. E. Kablov; V. P. Piskorskii; D. V. Korolev; S. A. Kurochkin; E. I. Kunitsyna; A. D. Talantsev; R. B. Morgunov

doi:10.1134/S1063783416070192

Increase in the coercivity of an ensemble of (DyPr)–(CoFe)–B microparticles during their dispersion in a polymer matrix

Authors: Kablov E.N.¹, Ospennikova O.G.¹, Kablov D.E.¹, Piskorskii V.P.¹, Korolev D.V.¹, Kurochkin S.A.², Kunitsyna E.I.², Talantsev A.D.², Morgunov R.B.¹^,2
Affiliations:
1. All-Russia Scientific Research Institute of Aviation Materials
2. Institute of Problems of Chemical Physics
Issue: Vol 58, No 7 (2016)
Pages: 1314-1319
Section: Magnetism
URL: https://ogarev-online.ru/1063-7834/article/view/197997
DOI: https://doi.org/10.1134/S1063783416070192
ID: 197997

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Abstract

In ensembles of annealed ferrimagnetic alloy (DyPr)–(CoFe)–B microparticles in the free state and fixed in polymer, the coercivity differs more than by an order of magnitude. The contributions of orientation locking of magnetic axes of particles and the dipole magnetic interaction between particles to the coercivity and saturation magnetization field of an ensemble are discussed. In ensembles of unannealed microparticles, the effect of their locking and dispersing in polymer is significantly weaker.

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Increase in the coercivity of an ensemble of (DyPr)–(CoFe)–B microparticles during their dispersion in a polymer matrix

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Abstract

About the authors

Supplementary files