ALUMINIUM ALLOY ADDITION EFFECTS ON THE BEHAVIOUR OF SOFT MAGNETIC MATERIALS AT LOW FREQUENCIES

Authors

  • Róbert Bidulský
  • Jana Bidulská
  • Marco Actis Grande
  • Luca Ferraris

DOI:

https://doi.org/10.12776/ams.v20i3.351

Keywords:

Soft magnetic materials, Insulated iron powder compound, Aluminium alloy, Coercivity, Specific losses

Abstract

The present paper focused on the effects of aluminium alloy addition on the behaviour of soft magnetic materials at low frequencies. The microstructure investigation reveals that for materials with high aluminium contents, the pores are oriented near or surrounding the aluminium particles. The microstructure investigation reveals that for materials with high aluminium contents, the pores are oriented near or surrounding the aluminium particles, as well as after heat treatment shows coarse-grained structure with a minimum number of inclusions within the grains and at the grain boundaries. Results show that the magnetic properties are dependent on the structural state of the investigated material. Magnetic properties increased with decreasing density due to the enhanced densification by means of applied pressing pressure and promote porosity reduction during heat treatment.

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Published

2014-09-30

How to Cite

Bidulský, R. ., Bidulská, J. ., Actis Grande, M. ., & Ferraris, L. . (2014). ALUMINIUM ALLOY ADDITION EFFECTS ON THE BEHAVIOUR OF SOFT MAGNETIC MATERIALS AT LOW FREQUENCIES. Acta Metallurgica Slovaca, 20(3), 271–278. https://doi.org/10.12776/ams.v20i3.351

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