<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Soft magnetic composite materials consisting of FeSi powder and polypropylene were prepared by the injection molding method, with different polypropylene contents of 25, 30 and 35 vol. %. The magnetic and electrical properties as well as the structure of the composites were investigated. The samples exhibited very low porosity, high electrical resistivity, relatively low coercivity, sufficient saturation magnetic flux density and permeability, and high resonant frequency. FeSi particles were found to be well insulated from each other and homogeneously dispersed in the polymer matrix of the composite. The observed isotropic structure was confirmed by the fitting of the experimental dependence with the analytical expression of the reversible relative permeability vs. magnetic flux density.</p>
</abstract>

Soft magnetic composite materials consisting of FeSi powder and polypropylene were prepared by the injection molding method, with different polypropylene contents of 25, 30 and 35 vol. %. The magnetic and electrical properties as well as the structure of the composites were investigated. The samples exhibited very low porosity, high electrical resistivity, relatively low coercivity, sufficient saturation magnetic flux density and permeability, and high resonant frequency. FeSi particles were found to be well insulated from each other and homogeneously dispersed in the polymer matrix of the composite. The observed isotropic structure was confirmed by the fitting of the experimental dependence with the analytical expression of the reversible relative permeability vs. magnetic flux density.

Iron Based Soft Magnetic Composite Material Prepared By Injection Molding

Powder Metallurgy Progress

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Iron Based Soft Magnetic Composite Material Prepared By Injection Molding"}

Soft magnetic composite materials consisting of FeSi powder and polypropylene were prepared by the injection molding method, with different polypropylene...

Iron Based Soft Magnetic Composite Material Prepared By Injection Molding

Publié en ligne: 13 avr. 2022

Pages: 10 - 17

DOI: https://doi.org/10.2478/pmp-2021-0002

Mots clés
soft magnetic composite, injection molding, magnetic properties, reversible permeability, initial magnetization curve

© 2021 Zuzana Birčáková et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Iron Based Soft Magnetic Composite Material Prepared By Injection Molding

Publié en ligne: 13 avr. 2022

Pages: 10 - 17

DOI: https://doi.org/10.2478/pmp-2021-0002

Mots cléssoft magnetic composite, injection molding, magnetic properties, reversible permeability, initial magnetization curve

© 2021 Zuzana Birčáková et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
soft magnetic composite, injection molding, magnetic properties, reversible permeability, initial magnetization curve