Mechanism of rotational hysteresis energy in Sm-Fe-N permanent magnets
Published Feb 1, 2002 · P. Pawlik, J. Wysłocki, K. Dziliński
Acta Physica Polonica A
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Abstract
Investigations were carried out on Sm-Fe-N permanent magnet produced by the reactive diffusion method with different grain sizes (from 8.6 to 0.97 μm). The rotational hysteresis energy has been measured as a function of the applied field. The proposed model of rotational hysteresis energy is in good agreement with the experimental results. It is shown that the magnetization reversal process in Sm-Fe-N magnet is controlled by the nucleation of reversed domains.
Study Snapshot
Key takeawayThe rotational hysteresis energy in Sm-Fe-N permanent magnets is controlled by the nucleation of reversed domains, with the model in good agreement with experimental results.
PopulationOlder adults (50-71 years)
Sample size24
MethodsObservational
OutcomesBody Mass Index projections
ResultsSocial networks mitigate obesity in older groups.