Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575

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Characterization of Anisotropic Properties of Functional Iron Alloy Sheets
Masahito Watanabe Kiyoshi UrakawaYoshio IshigakiTaisuke FuruseMotohiro KasuyaShigeo SatoShigeru Suzuki
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JOURNAL OPEN ACCESS Advance online publication

Article ID: TETSU-2024-026

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Abstract

To understand the anisotropy of properties in FeCo-V alloy sheets, the Young's modulus, texture, and residual stress of samples of different treatments were investigated using the X-ray diffraction method. In the cold-rolled alloy sheets, the anisotropy of Young's modulus in different directions within the sheet plane was similar to that of the annealed samples at 600 °C, although there was some variation. The anisotropy of the Young's modulus was different from that of the cold-rolled and annealed samples at low temperatures. According to the results of texture measurements on alloy sheets subjected to each treatment, the direction of the lower Young's modulus almost corresponds to a specific texture component, suggesting that the texture component affects the anisotropy of the Young's modulus. X-ray diffraction rings from alloy sheets are used in the residual stress measurement, which may contain information on the process of alloy sheets and changes in the texture due to heat treatment. Residual stress shows anisotropy within the surface of cold-rolled alloy sheets, indicating high compressive residual stress in the rolling direction and in the transverse direction. In general, lower residual stress in the sheets annealed at 600 °C may be related to dislocation rearrangement in the alloys. Furthermore, in the samples annealed at 850 °C, recrystallization and related phenomena are reflected in the deviation from the plot for residual stress, which may also affect the texture.

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© 2024 The Iron and Steel Institute of Japan

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