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The influence of rare-earth metals on glass-forming ability and crystallization of CoFeSiBNb amorphous alloys

Russian version

DOI: 10.21883/TP.2022.01.52530.165-21

Rusanov B. A.

¹, Sidorov V. E.

^1,2, Svec Sr. P.³, Janickovic D. ³, Lad'yanov V. I.

⁴, Petrova S. A.

^2,5, Sabirzyanov A. A.

⁶

¹Ural State Pedagogical University, Ekaterinburg, Russia
²Ural Federal University after the first President of Russia B.N. Yeltsin, Yekaterinburg, Russia
³Institute of Physics, Slovak Academy of Sciences, 845 11 Bratislava, Slovakia
⁴Udmurt Federal Research Center, Ural Branch Russian Academy of Sciences, Izhevsk, Russia
⁵Institute of Metallurgy of Ural Branch of the Russian Academy of Science, Ekaterinburg, Russia
⁶Ural State University of Railway Transport, Yekaterinburg, Russia

Email: rusfive@mail.ru

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Abstract
References
Статистика просмотров

In present work amorphous alloys Co₄₈Fe₂₅Si₄B₁₉Nb₄-R (R = Nd, Sm, Tb, Yb) were obtained by planar flow casting in the form of ribbons with 3-5 mm wide and 35-45μm thickness. It was found that crystallization process goes into two stages and depends on the used rare-earth addition and its content in the alloy by differential thermal analysis method. Glass-forming ability criteria were calculated. It is shown that paramagnetic Curie temperature of alloys in liquid state can be used as their a-priori criterion of glass-forming ability. Keywords: amorphous alloys, crystallization, glass-forming ability, differential thermal analysis, x-ray diffraction, rare-earth metals.

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