Studies on the Magnetic Anisotropy Induced by Cold Rolling of Ferromagnetic Crystal, II. Iron-Aluminum Alloys

概要

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Magnetic anisotropy was measured on the several single crystals of Fe_3Al which were rolled in definite crystallographic directions. Rolling on (110) and parallel to [001] induced the uniaxial anisotropy as large as 7.1 × 10^5 erg/cc at only 12% reduction. The direction of easy magnetization in this case was parallel to roll direction, which was also confirmed by the observation of domain pattern. (110)[11^^-0], (001)[010] and (001)[110] rolling were also investigated. Calculations, were made on the roll magnetic anisotropy in terms of the "slip-induced directional order," under the assumption of {110}<111> slip system. It was found that dipole-dipole interaction between second nearest neighbors must be taken into consideration in order to explain the experimental facts.
社団法人日本物理学会の論文
1960-02-05