N. Khitouni, R. Dal
We investigate the structural and magnetic properties of nanocrystalline Fe 50Co25Ni15X10 (X=Bamorphous, B crystalline and Si) alloy powders prepared by mechanical alloying process. Morphological, microstructural and structural characterizations of the powders milled several times were investigated by scanning electron microscopy and X-ray diffraction. The final metallurgical state strongly depends on the chemical composition and the grinding time; it can be single-phase or two-phase. The crystallite size reduction down the nanometer scale is accompanied by the introduction of high levels of lattice strains. The dissolution of Co, Ni, B (amorphous and crystalline) and Si into the α-Fe lattice leads to the formation of highly disordered Fe-based solid solutions. Coercivity (Hc) and saturation magnetization (Ms) of alloyed powders were measured at room temperature by a vibration sample magnetization. The magnetic measurements show contrasting Ms and (Hc) in all alloy compositions. Conclusively, soft magnetic properties of nanocrystalline alloys are related to various factors such as metalloids addition, formed phases and chemical compositions.
@article{7086b15d-6ae7-4f82-86c5-49c8ff590380,
title={The effect of B and Si additions on the structural and magnetic behaviour of Fe-Co-Ni alloy prepared by high-energy mechanical milling},
author={N. Khitouni and R. Dal},
year={2000},
language={en}
}TY - JOUR TI - The effect of B and Si additions on the structural and magnetic behaviour of Fe-Co-Ni alloy prepared by high-energy mechanical milling AU - N. Khitouni AU - R. Dal PY - 2000 LA - en ER -
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