Studies on the Magnetic Anisotropy Induced by Cold Rolling of Ferromagnetic Crystal (I) Iron-Nickel Alloys

概要

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Investigation was made on the magnetic anisotropy induced by mechanical rolling of ferromagnetic alloys. Experiments were carried out on the single crystals of Ni_3Fe through observation of magnetic domain patterns and torque measurements. Easy magnetizing direction was found to be normal to the roll direction for (110) [001] and (001) [100] rolling, while it changes to parallel to roll direction at about 30% reiiduction for (001) [110] rolling. The maximum value of uniaxial anisotropy was 2〜3×10^5 erg/cc. The results were satisfactorily explained by assuming the appearance of directional order by slip deformation. It was shown theoretically that the anisotropies thus induced are classified into long range order (fine slip) type and short range order (coarse slip) type. Relation to the superlattice formation was also discussed.
社団法人日本物理学会の論文
1957-11-05