On Correlation between Powder Dispersity and Hysteresis Characteristics with Regard to Magnets Based on (Sm, Zr)(Co, Cu, Fe)z Alloys

Correlation between the morphology, magnetic properties of powdered (Sm, Zr)(Co, Cu, Fe) z alloy, and magnetic characteristics of magnets made of these powders has been established. Monotonic variations of average particle sizes and density of ready-made magnets as a function of alloy milling time i...

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Bibliographic Details
Published in:Inorganic materials : applied research 2019, Vol.10 (3), p.662-665
Main Authors: Dormidontov, N. A., Burkhanov, G. S., Kolchugina, N. B., Dormidontov, A. G., Milov, Yu. V.
Format: Article
Language:English
Subjects:
Alloys
Ceramics industry
Chemistry
Chemistry and Materials Science
Cobalt
Composite Materials
Copper
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Iron
Magnetic properties
Magnetism
Magnets
Materials Science
Morphology
Planet detection
Planetary mills
Sintering (powder metallurgy)
Zirconium
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Summary:Correlation between the morphology, magnetic properties of powdered (Sm, Zr)(Co, Cu, Fe) z alloy, and magnetic characteristics of magnets made of these powders has been established. Monotonic variations of average particle sizes and density of ready-made magnets as a function of alloy milling time in a planetary mill have been detected; it has been demonstrated that the dependences of the main magnetic properties of magnets on this variable are characterized by an extremum corresponding to the optimum time of powder milling. The interrelation between average particle sizes, their morphology, and magnetic properties of the powder and magnets made of this powder has been analyzed with consideration for the influence of subsequent sintering of initial powders.
ISSN:2075-1133
2075-115X
DOI:10.1134/S2075113319030092