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[7s, 2012] 

Journal of Electrical Engineering, Vol 63, 7s (2012) 133-136

INFLUENCE OF NiZn FERRITE FILLER CONCENTRATION ON MAGNETIC AND PHYSICAL-MECHANICAL PROPERTIES OF MAGNETOPOLYMER COMPOSITE MATERIALS

Mariana Ušáková - Jana Rekošová - Rastislav Dosoudil - Elemír Ušák

   The influence of soft magnetic ferrite filler on various properties of the magneto-polymer composite with the polyamide (PAD) as a polymer nonmagnetic matrix was investigated. As the magnetic filler, soft magnetic spinel ferrite with the chemical composition of Ni0.33Zn0.67Fe2O4 synthesized by standard ceramic method was used. Magneto-polymer composites with various volume concen-trations (0 to 30 vol.%) were prepared. The influence of powder filler on the magnetic properties of magneto-polymer composites such as complex permeability was investigated. The measurements of physical-mechanical properties of prepared composite sam-ples confirmed that the presence of ferrite filler in the polymer matrix leads to their significant changes.

Keywords: ferrites, magneto-polymer composites, magnetic properties


[full-paper]


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