Influence of directed crystallization parameters on structure and properties of alnico 5-7 alloy permanent magnets

Cherednichenko I.V., Bavina M.A., Bondarenko Yu.A., Shurygin V.D., Ovchinnikov A.D., Galimullin S.A.
UDC
621.318.2
DOI
10.18577/2307-6046-2023-0-11-77-89
Article PDF (Russian) (749.96 KB)
How to cite
Cherednichenko I.V., Bavina M.A., Bondarenko Yu.A., Shurygin V.D., Ovchinnikov A.D., Galimullin S.A. Influence of directed crystallization parameters on structure and properties of alnico 5-7 alloy permanent magnets // Proceedings of VIAM. 2023. No. 11. DOI: 10.18577/2307-6046-2023-0-11-77-89. URL: https://test.viam.ru/en/journal/2023/11/8
Keywords
column grain structure magnets, monocrystalline magnets, directional solidification, magnetic properties, high temperature gradient casting
Abstract

In this paper has been investigated influence of direct crystallizations parameters on permanent magnets alloy UNDKBA (Alnico 5-7) for non-defective percent. For this paper were produced permanent magnets by using different types of seeds and technological parameter. It established that the main parameters for manufacturing castings permanent magnets are temperature, broaching speed, composition and type of the seed. Revealed that slow broaching speed, monocrystalline seed with the crystallographic orientation allows to obtain permanent magnets with non-defective percent higher than 80.

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