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HomeJournal of Nano ResearchJournal of Nano Research Vol. 47Structure and Magnetic Properties of Ternary...

Structure and Magnetic Properties of Ternary Nanosized FeAlSn and CuFeCo Powders Synthesized by Mechanical Milling

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Abstract:

Ternary Fe₇₂Al₂₆Sn₂and Cu₇₀Fe₁₈Co₁₂alloys were obtained by mechanical alloying of pure Fe, Al, Sn, Cu and Co powders using a high energy ball mill. X-ray diffraction and electron microscopy supported by magnetic measurements have been applied to follow changes in the microstructure, phase composition and magnetic properties in dependence on milling time. With the increase of milling time all Al and Sn atoms dissolved in the bcc Fe and the final product of the MA process was the nanocrystalline Fe (Al, Sn) solid solution in a metastable state with a large amount of defects and mean crystallite size of 5 nm. However, the obtained crystallite size value is about 10 nm for the ball milled Cu₇₀Fe₁₈Co₁₂ powders. The electron microscope observations show the morphology of powder particles. Magnetic properties of the nanocrystalline mechanically alloyed FeAlSn and CuFeCo were also investigated and were related to the microstructural changes.

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Journal of Nano Research Vol. 47

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Periodical:

Journal of Nano Research (Volume 47)

Pages:

79-88

DOI:

https://doi.org/10.4028/www.scientific.net/JNanoR.47.79

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Online since:

May 2017

Authors:

Z. Hamlati, Warda Laslouni, Mohammed Azzaz, M. Zergoug, David Martínez-Blanco, J.A. Blanco, Pedro Gorria

Keywords:

CuFe Solid Solution, DRX, FeAl, Mechanical Alloying, SEM, VSM

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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