Influence of alloying elements and production technology on the properties of sintered magnets Pr(Nd)–Dy(M)–Fe–Co–B (M: Tb, Ce, Sm)

Buzenkov A.V., Burkanov M.V., Valeev R.A., Piskorsky V.P.
UDC
669.046.516.2
DOI
10.18577/2307-6046-2024-0-6-69-79
Article PDF (Russian) (774.91 KB)
How to cite
Buzenkov A.V., Burkanov M.V., Valeev R.A., Piskorsky V.P. Influence of alloying elements and production technology on the properties of sintered magnets Pr(Nd)–Dy(M)–Fe–Co–B (M: Tb, Ce, Sm) // Proceedings of VIAM. 2024. No. 6. DOI: 10.18577/2307-6046-2024-0-6-69-79. URL: https://test.viam.ru/en/journal/2024/6/7
Keywords
dynamically adjustable gyroscope, rare earth metals, coercive force, residual induction, rectangularity of the demagnetization curve, sintering temperature, heat treatment modes, powder grinding duration
Abstract

The effect of alloying elements (Tb, Ce, Sm) on the properties of sintered magnets Pr(Nd)–Dy(M)–Fe–Co–B(М: Tb, Ce, Sm) as well as sintering temperature, grinding time and various heat treatment modes on the main magnetic characteristics and phase composition of magnets is investigated. It is shown that heat treatment does not significantly affect the magnetic properties. It was found that the admixture of samarium negatively affects the magnetic characteristics of materials. It has been established that the most effective materials are based on praseodymium (without admixture of neodymium).

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