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Metal Science and Heat Treatment
Published in: Metal Science and Heat Treatment 9-10/2017

21-01-2017

Effect of the Crystallization Conditions of Alloy Mn54Al43C3 on the Magnetic Properties of Mechanically Milled Powder

Authors: K. D. Volkov, E. N. Tarasov, A. V. Zinin

Published in: Metal Science and Heat Treatment | Issue 9-10/2017

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Abstract

Results of formation of a ferromagnetic τ-phase and an antiferromagnetic ε-phase in alloys of type Mn54Al43C3 obtained by induction and arc melting and by rapid hardening of the melt are presented. The magnetic hysteresis properties of powders produced by high-power mechanical milling of the synthesized alloys are studied. The optimum temperature conditions for transformation of the ε-phase into a ferromagnetic τ-phase are determined for the alloys and for their ultrafine powders. The resulting powders of Mn54Al43C3 have an ultimate specific magnetization σ m = 81 (G · cm3)/g and a coercive force H c = 3 kOe in a magnetic field of 12 kOe.
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Footnotes
1
The authors are grateful to S. V. Andreev and A. N. Urzhumtsev for the help with synthesizing the compounds and experimental studies.
 
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Metadata
Title
Effect of the Crystallization Conditions of Alloy Mn54Al43C3 on the Magnetic Properties of Mechanically Milled Powder
Authors
K. D. Volkov
E. N. Tarasov
A. V. Zinin
Publication date
21-01-2017
Publisher
Springer US
Published in
Metal Science and Heat Treatment / Issue 9-10/2017
Print ISSN: 0026-0673
Electronic ISSN: 1573-8973
DOI
https://doi.org/10.1007/s11041-017-0062-8

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