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Open AccessArticle
Influence of Long Milling Time on the Electrical Resistivity of Nanocrystalline Ni2MnSn Heusler Alloy Obtained by Mechanosynthesis
Department of Materials Science and Engineering, Technical University of Cluj-Napoca, 103-105 Muncii Avenue, 400641 Cluj-Napoca, Romania
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Nanomaterials 2024, 14(13), 1156; https://doi.org/10.3390/nano14131156 (registering DOI)
Submission received: 30 May 2024
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Revised: 2 July 2024
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Accepted: 3 July 2024
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Published: 6 July 2024
Abstract
A Ni2MnSn Heusler alloy was obtained as a single B2 phase after 12 h of mechanical milling. The influence of prolonged milling on the phase stability was analysed for milling times up to 50 h, related to mean crystallite size, lattice strain, and electrical resistivity. The nature of the powders in the milled range was found to be nanocrystalline, with a mean crystallite size of about 33 ± 2 nm. An evaluation of the internal stresses induced by milling was performed, a linear behaviour was found, and a coefficient of the internal stress increase with milling time was proposed. Particle size distributions of milled samples were analysed, and the morphology of the powders was visualised by scanning electron microscopy. The elemental distribution of milled samples was quantified by energy-dispersive X-ray spectroscopy. Electrical resistivity measurements were performed on compacted samples, and their behaviour with milling time was analysed.
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MDPI and ACS Style
Popa, F.; Marinca, T.F.; Sechel, N.A.; Frunzӑ, D.I.; Chicinaș, I.
Influence of Long Milling Time on the Electrical Resistivity of Nanocrystalline Ni2MnSn Heusler Alloy Obtained by Mechanosynthesis. Nanomaterials 2024, 14, 1156.
https://doi.org/10.3390/nano14131156
AMA Style
Popa F, Marinca TF, Sechel NA, Frunzӑ DI, Chicinaș I.
Influence of Long Milling Time on the Electrical Resistivity of Nanocrystalline Ni2MnSn Heusler Alloy Obtained by Mechanosynthesis. Nanomaterials. 2024; 14(13):1156.
https://doi.org/10.3390/nano14131156
Chicago/Turabian Style
Popa, Florin, Traian Florin Marinca, Niculina Argentina Sechel, Dan Ioan Frunzӑ, and Ionel Chicinaș.
2024. "Influence of Long Milling Time on the Electrical Resistivity of Nanocrystalline Ni2MnSn Heusler Alloy Obtained by Mechanosynthesis" Nanomaterials 14, no. 13: 1156.
https://doi.org/10.3390/nano14131156
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