Abstract
Mechanically alloyed Fe73.5Si13.5 B 9Nb3Cu1 powders were used as feedstock materials for depositing nano/amorphous coatings by high-velocity oxy-fuel thermal spraying process. Morphology, structure, microstructure, hyperfine, and magnetic properties have been investigated by scanning electron microscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction, Mössbauer spectrometry, and vibrating sample magnetometer. The coating structure consists of bcc Fe(B)-type, bcc Fe(Si)-type, and amorphous phases. The crystallite sizes of Fe(Si) and Fe(B) solid solutions increase after spraying to about (72–82) and (48–81) nm, respectively. The Mössbauer spectrometry results reveal the presence of Fe2B boride. The squareness ratio M r/ M s and the coercivity values of the coatings decrease with increasing the number of passes.
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This work was supported by the Ministère de l’Enseignement Supérieur et de la Recherche Scientifique (MESRS), Algeria.
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Alleg, S., Hamza, L., Ibrir, M. et al. Microstructural, Hyperfine, and Magnetic Properties of FeSiBCuNb Deposits. J Supercond Nov Magn 28, 2431–2439 (2015). https://doi.org/10.1007/s10948-015-3038-1
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DOI: https://doi.org/10.1007/s10948-015-3038-1