Abstract
A (Fe83.4Ga16.6)99.9(NbC)0.1 alloy was used to investigate the effect of thermomechanical treatment on the texture formation and magnetostriction. The main idea was to develop the Goss and cube texture after rolling and primary recrystallization, without secondary one, in order to enhance the magnetostriction strain. Rolling at elevated temperature was used to produce thin sheets; total degree of deformation was 83%. As a result, heterogeneous texture of deformation with a significant amount of orientations with 〈100〉 directions along the rolling direction was created. Subsequent primary recrystallization was initialized by annealing at different temperatures: 900, 950, and 1000°C. The texture evolution was studied by EBSD technique. The texture, residual stress level, and parallel magnetostriction were studied in the samples after recrystallization. By applying high temperature annealing, the magnetostriction is increased. The maximal magnetostriction strain is obtained after annealing for 2 h at 1000°C. An increase in magnetostriction caused by the texture change and a decrease in the internal stresses were shown.
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Funding
The authors acknowledge financial support by RFBR grants 18-58-52007 and 18-03-00623. Also Yavar Mansouri gratefully acknowledge the financial support of the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of MISiS. The authors thank Dr. E. Bazanova for her critical reading of the manuscript.
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Mansouri, Y., Cheverikin, V.V., Palacheva, V.V. et al. Texture and Magnetostriction in Warm Rolled and Recrystallized Fe–Ga Alloy. Phys. Metals Metallogr. 122, 389–395 (2021). https://doi.org/10.1134/S0031918X21040062
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DOI: https://doi.org/10.1134/S0031918X21040062