High-field magnetization behavior of Mn-Al-C alloys

Alexandre Pasko, Frédéric Mazaleyrat, Lajos K. Varga, Plamen S. Stamenov, John Michael David Coey

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Abstract

Dense Mn-Al-C permanent magnets have been produced using melt-spinning and spark plasma sintering techniques. The samples have been magnetically characterized from 4 to 300 K in a field of up to 14 T. The ahysteretic parts of magnetization loops were analyzed within a model for the approach to saturation, which allows for possible crystallographic texture. The saturation magnetization and magnetocrystalline anisotropy energy have been determined considering the estimated fraction of ferromagnetic phase. The obtained magnetic parameters have been compared with the available theoretical and experimental data.

Original languageEnglish
Article number6971500
JournalIEEE Transactions on Magnetics
Volume50
Issue number11
DOIs
Publication statusPublished - Nov 1 2014

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Keywords

  • Magnetic anisotropy
  • manganese-aluminum alloys
  • permanent magnets
  • spark plasma sintering (SPS)

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Pasko, A., Mazaleyrat, F., Varga, L. K., Stamenov, P. S., & Coey, J. M. D. (2014). High-field magnetization behavior of Mn-Al-C alloys. IEEE Transactions on Magnetics, 50(11), [6971500]. https://doi.org/10.1109/TMAG.2014.2320598