Abstract
The dependence on angle is considered for the hysteresis-free initial susceptibilities χ a and χ ar together with the initial susceptibility χo for iron and nickel aerosol powders, as well as the effects on these characteristics from changes in powder packing density. Estimates are made of the negative-interaction fields, and a quantitative comparison is made between the observed χar(ψ) and theoretical values by means of the pair model. The correlation between the experimental and theoretical relationships confirms the concepts used on the predominant effects from magnetostatic interaction in the mechanism for magnetization reversal in powders of materials with low anisotropy.
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V. I. Zvereva, Ph. D. Thesis Ural University, Sverdlovsk (1974).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, pp. 40–43, July, 1984.
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Zvereva, V.I., Ivanov, D.A. Initial magnetic susceptibilities of iron and nickel aerosol powders. Soviet Physics Journal 27, 577–579 (1984). https://doi.org/10.1007/BF00897450
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DOI: https://doi.org/10.1007/BF00897450