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Magnetic field–dependent microstructure evolution and magnetic property of Fe–6.5 Si–0.05 B alloy during solidification

  • Novel Synthesis and Processing of Metals
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Abstract

Fe–6.5 Si–0.05 B alloy was used in the study to investigate the texture evolution and magnetic property of the ferromagnetic crystal under an axial high magnetic field during bulk solidification. Optical microscopy (OM) and X-ray diffraction (XRD) were applied to analyze the microstructures and texture evolution of the alloy solidified under different magnetic field intensities. The result shows that with an increase in the magnetic field intensity from 0 to 2 T, the texture gradually changes from random orientation to {100} 〈120〉, eventually becoming a mixture of cube and Goss texture. The alloys treated at 1 and 2 T showed magnetic anisotropic behavior, while the alloy treated at 0 T showed magnetic isotropic behavior. The change in magnetic property comes from the evolution of α-Fe crystal orientation. Furthermore, a method for controlling the crystallization process and crystallographic orientation by adjusting the magnetic field intensity was proposed.

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Acknowledgments

The authors acknowledge the financial support of the National Key Research and Development Program of China (2016YFB0300401, 2016YFB0301401, and 2018YFF0109404), the National Natural Science Foundation of China (U1860202, U1732276, 50134010, and 51704193), and the Science and Technology Commission of Shanghai Municipality (13JC14025000 and 15520711000).

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Authors and Affiliations

  1. State Key Laboratory of Advanced Special Steel & Shanghai Key Laboratory of Advanced Ferrometallurgy & School of Materials Science and Engineering, Shanghai University, Shanghai, 200072, China

    Chunmei Liu, Yunbo Zhong, Zhe Shen, Licheng Dong, Tianxiang Zheng, Weili Ren, Zuosheng Lei & Zhongming Ren

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  1. Chunmei Liu
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  2. Yunbo Zhong
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  3. Zhe Shen
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  4. Licheng Dong
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  7. Zuosheng Lei
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Correspondence to Yunbo Zhong or Tianxiang Zheng.

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Liu, C., Zhong, Y., Shen, Z. et al. Magnetic field–dependent microstructure evolution and magnetic property of Fe–6.5 Si–0.05 B alloy during solidification. Journal of Materials Research 34, 4076–4084 (2019). https://doi.org/10.1557/jmr.2019.364

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