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Article Title

Hard Magnetic Properties of Mn-Al-C Alloys Doped with Titanium and Iron

Authors

I. Milyaev 1, M. Alymov 2, V. Yusupov 3, V. Zelensky 4, A. Milyaev 5, A. Ankudinov 6
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Volume

3 (2017)

Keywords

Hard magnetic alloy, coercive force, residual induction, maximum energy product, induction melting, hysteresis graph, manganese, aluminum, carbon

Abstract

As part of the study of hard magnetic alloys on the basis of manganese, the impact of titanium and iron in the range up to 5 wt. % on the magnetic hysteretic properties of the 72Mn–27Al–1C hard magnetic alloy is considered. It is shown that upon alloying to 2 wt. %, both Ti and Fe increase the magnetic hysteretic properties of the alloy, and then reduce them. On the 72Mn–27Al–1C–2Ti(Fe) alloys, the maximum energy product (BH)max = 12 kJ/m3 (11,5⋅106 G⋅Oe) was obtained with a residual induction of Br up to 0.36 T (3600 G) and the coercive force НсВ of 110–120 kA/m (1400–1500 Oe), which corresponds to the best Japanese data for these alloys.

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