Please use this identifier to cite or link to this item: http://hdl.handle.net/10995/103175
Title: Nanocrystalline soft magnetic iron-based materials from liquid state to ready product
Authors: Tsepelev, V. S.
Starodubtsev, Y. N.
Issue Date: 2021
Publisher: MDPI AG
Citation: Tsepelev V. S. Nanocrystalline soft magnetic iron-based materials from liquid state to ready product / V. S. Tsepelev, Y. N. Starodubtsev. — DOI 10.3390/nano11010108 // Nanomaterials. — 2021. — Vol. 11. — Iss. 1. — P. 1-39. — 108.
Abstract: The review is devoted to the analysis of physical processes occurring at different stages of production and application of nanocrystalline soft magnetic materials based on Fe–Si–B doped with various chemical elements. The temperature dependences of the kinematic viscosity showed that above a critical temperature, the viscosity of multicomponent melts at the cooling stage does not coincide with the viscosity at the heating stage. Above the critical temperature, the structure of the melt is more homogeneous, the amorphous precursor from such a melt has greater plasticity and enthalpy of crystallization and, after nanocrystallization, the material has a higher permeability. The most effective inhibitor elements are insoluble in α-Fe and form a smoothed peak of heat release during crystallization. On the other hand, the finest nanograins and the highest permeability are achieved at a narrow high-temperature peak of heat release. The cluster magnetic structure of a nanocrystalline material is the cause of magnetic inhomogeneity, which affects the shape of the magnetic hysteresis loop and core losses. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
Keywords: CORE LOSSES
GRAIN GROWTH INHIBITOR
INDUCTIVE COMPONENT
LIQUID MULTICOMPONENT ALLOY
MAGNETIC CORE
MAGNETIC HYSTERESIS
NANOCRYSTALLINE STRUCTURE
SOFT MAGNETIC MATERIALS
TRANSFORMER
URI: http://hdl.handle.net/10995/103175
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85099173973
PURE ID: 20516984
d6069636-2075-4555-bb8b-fa0af858f2ad
ISSN: 20794991
DOI: 10.3390/nano11010108
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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