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|Title:||Nanocrystalline soft magnetic iron-based materials from liquid state to ready product|
|Authors:||Tsepelev, V. S.|
Starodubtsev, Y. N.
|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.|
GRAIN GROWTH INHIBITOR
LIQUID MULTICOMPONENT ALLOY
SOFT MAGNETIC MATERIALS
|Appears in Collections:||Научные публикации, проиндексированные в SCOPUS и WoS CC|
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