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Structure and Magnetic Properties of Mechanically Alloyed Fe90Al8C2 (wt.%) Powders

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Abstract

The structure, morphological, thermal, and magnetic properties of the mechanically alloyed Fe90Al8C2 (wt.%) powders were investigated by using X-ray diffraction (XRD), scanning electron microscopy, differential scanning calorimetry, and vibrating sample magnetometry, respectively. The XRD analysis reveals a mixture of three disordered solid solutions (Fe1-SS, Fe2-SS, and Fe3-SS) with different lattice parameters and crystallite sizes. The saturation magnetization swings between 128 and 133 emu/g, and the coercivity is between 90 and 62 Oe. After heating to 1100 °C, the XRD results show the formation of nanocrystalline (Fe, Al)3C-type carbide and two Fe-type solid solutions. The heated samples exhibit enhanced magnetic properties with enhanced saturation magnetization (Ms = 132.97–179.76 emu/g) and reduced coercivity (Hc = 46.59–53.63 Oe). The composite Fe-Al-C structure can be considered a potential candidate for soft magnetic applications.

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Data Availability

The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

This work was supported by the Algerian General Directory of Scientific Research and Technological Development (DGRSDT). The authors thank Mr. Foued Khammaci from the LM2S laboratory for the VSM measurements.

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Authors and Affiliations

  1. Laboratoire Des Sciences Et Génie Des Matériaux, U.S.T.H.B, BP 32 El-Allia, Bab-Ezzouar, 16111, Algeria

    F. Lemdani, H. Mechri & M. Azzaz

  2. Centre de Développement Des Technologies Avancées CDTA, Cité du 20 Août 1956, Baba Hassen, BP N° 17, Alger, Algeria

    F. Lemdani, N. Saoula & F. Hadj-Larbi

  3. Laboratoire de Magnétisme Et Spectroscopie Des Solides (LM2S), Département de Physique, Faculté Des Sciences, Université Badji Mokhtar Annaba, B. P. 12, Annaba, 23000, Algeria

    S. Alleg

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Lemdani, F., Alleg, S., Mechri, H. et al. Structure and Magnetic Properties of Mechanically Alloyed Fe90Al8C2 (wt.%) Powders. J Supercond Nov Magn 36, 207–215 (2023). https://doi.org/10.1007/s10948-022-06456-6

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