SOFT MAGNETIC NANOCRYSTALLINE Ni-Fe-X-Y AND MeFe₂O₄ POWDERS OBTAINED BY MECHANOSYNTHESIS

Authors

  • I. CHICINAȘ Materials Science and Engineering Department, Technical University of Cluj-Napoca, 103-105 Muncii Ave., 400641 Cluj-Napoca, Romania, * Corresponding author: ionel.chicinas@stm.utcluj.ro https://orcid.org/0000-0002-6371-0689
  • F. POPA Materials Science and Engineering Department, Technical University of Cluj-Napoca, 103-105 Muncii Ave., 400641 Cluj-Napoca, Romania https://orcid.org/0000-0002-8849-1902
  • B.V. NEAMȚU Materials Science and Engineering Department, Technical University of Cluj-Napoca, 103-105 Muncii Ave., 400641 Cluj-Napoca, Romania https://orcid.org/0000-0003-0666-8303
  • T.F. MARINCA Materials Science and Engineering Department, Technical University of Cluj-Napoca, 103-105 Muncii Ave., 400641 Cluj-Napoca, Romania https://orcid.org/0000-0002-5531-5451
  • O. ISNARD Institut Néel, CNRS / Université Grenoble Alpes, 25 rue des Martyrs, BP166, 38042 Grenoble, Cédex 9, France https://orcid.org/0000-0002-7930-4378
  • V. POP Babeş-Bolyai University, Faculty of Physics, 1 Kogălniceanu Str., 400084 Cluj-Napoca, Romania

DOI:

https://doi.org/10.24193/subbphys.2021.02

Keywords:

mechanical alloying; Ni-Fe-X-Y alloys; soft ferrite; magnetisation; XRD; DSC.

Abstract

The soft magnetic nanocrystalline powders, alloys (Ni3Fe, 79Ni16Fe5Mo, 77Ni14Fe5Cu4Mo, wt. %) and zinc ferrite, were obtained by dry and wet mechanical alloying and reactive milling, followed by different heat treatments. The powders were characterised by X-ray diffraction, scanning electron microscopy, X-ray microanalysis, differential scanning calorimetry, thermomagnetic and magnetic measurements. The X-ray diffraction shown the progressive new phases formation. The crystallite size is between 18-7 nm depending on materials and milling conditions. The particle size is smaller for wet-mechanical alloying comparing with dry-milling. The thermomagnetic measurement shown the Curie temperature of the alloys. The spontaneous magnetisation of the wet-milled and annealed samples is higher than of the molten alloys.

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STUDIA UBB PHYSICA, Volume 66 (LXVI), No. 1-2, December 2021

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Published

2021-12-30

How to Cite

CHICINAȘ, I., POPA, F., NEAMȚU, B., MARINCA, T., ISNARD, O. ., & POP, V. (2021). SOFT MAGNETIC NANOCRYSTALLINE Ni-Fe-X-Y AND MeFe₂O₄ POWDERS OBTAINED BY MECHANOSYNTHESIS. Studia Universitatis Babeș-Bolyai Physica, 66(1-2), 19–30. https://doi.org/10.24193/subbphys.2021.02

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Volume 66, No. 1-2, 2021

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