Abstract

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.

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