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   FEI STU Bratislava    deGruyter-Sciendo


[2, 2018] 

Journal of Electrical Engineering, Vol 69, 2 (2018) 163-169 DOI: 10.2478/jee-2018-0020

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

Dominik Grybos – Jacek S. Leszczynski – Marcin Kwiecień – Cezary Swieboda –
Patryk Lasak – Wojciech Pluta – Roman Rygal – Marian Soinski

   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.

Keywords: soft magnetic material, magnetic powder core, nanocrystalline strip, particle size distribution


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