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Abstracts
An analysis of several variants of the Fe/polymer/SiO₂ composites in terms of the impact of iron powder particle shape (irregular, spherical), of the content (0.4-2.0 wt%), of the polymer type (shellac, thermoset SL450) and the method of its application as well as the effect of the preparation procedure of the composites (mixing and/or vacuum-pressure impregnation) on properties of electrical insulating layer (thickness and coherence), electrical resistivity and magnetic properties was carried out. It was found that the main governing factor of the microstructure formation is the shape, surface microgeometry of the iron particles and the insulator layer. These determine not only the uniformity of thickness and cohesion of the insulating layer of the applied polymer or its hybrid modification (polymer+SiO₂ nanoparticles), but also the most suitable method of preparation in terms of the achieved values of electrical and magnetic properties of the composites.
Discipline
- 81.05.Ni: Dispersion-, fiber-, and platelet-reinforced metal-based composites
- 85.70.-w: Magnetic devices(for magnets, see 07.55.Db; for molecular magnets, see 75.50.Xx; for beam bending magnets, see 41.85.Lc; see also 84.71.Ba Superconducting magnets and magnetic levitation devices; 75.50.Ss Magnetic recording materials)
- 75.50.Bb: Fe and its alloys
Journal
Year
Volume
Issue
Pages
816-818
Physical description
Dates
published
2017-04
Contributors
author
- Department of Applied Mathematics and Informatics, Faculty of Mechanical Engineering, Technical University Košice, Letná 1, 042 00 Košice, Slovakia
author
- Institute of Physics, Faculty of Sciences, P.J. Šafárik University, Park Angelinum 9, 041 54 Košice, Slovakia
author
- Institute of Physics, Faculty of Sciences, P.J. Šafárik University, Park Angelinum 9, 041 54 Košice, Slovakia
author
- Institute of Materials Research, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovak Republic
author
- Institute of Materials Research, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovak Republic
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv131n4068kz