Properties of Fe-based nanocrystalline magnetic powder cores (MPC) and structure of particle size distribution (PSD)

Author:

Grybos Dominik1,Leszczynski Jacek S.1,Kwiecień Marcin2,Swieboda Cezary2,Lasak Patryk2,Pluta Wojciech3,Rygal Roman2,Soinski Marian2

Affiliation:

1. AGH University of Science and Technology , Faculty of Energy and Fuels, Department of Hydrogen Energy , Al. Mickiewicza 30, 30-059 Krakow , Poland

2. Magnetic Research Centre, Magneto Sp. z o.o. , Czestochowa , Odlewnikow 43, Poland

3. Czestochowa University of Technology , Czestochowa , Armii Krajowej 17, Poland

Abstract

Abstract This paper discusses the influence of the Particle Size Distribution (PSD) of the nanocrystalline Fe-based granular-soft-magnetic material on the final magnetic properties of a Magnetic Powder Core (MPC). Here we show how PSD impacts the final magnetic properties. Mixing fine and coarse particles, with a dominance of coarse particles, significantly influences the magnetic permeability increase of the core. Better magnetic features are noted for MPCs constructed with certain mass ratio of fine and coarse particles due to improvement in the magnetic path in the cores. This allows to offer new induction components to industry.

Publisher

Walter de Gruyter GmbH

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