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Effect of magnetic field annealing on soft magnetic properties for (Fe0.5Co0.5)73.5Cu1Nb3Si13.5B9 alloy

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Abstract

The effect of magnetic field annealing on crystallization and high-frequency/temperature soft magnetic properties is investigated for (Fe0.5Co0.5)73.5Cu1Nb3Si13.5B9 alloy. The applied magnetic field in the annealing process effectively facilitates the precipitation of ferromagnetic α-FeCo(Si) grains from the amorphous precursor and softens the magnetic properties, which are verified by the increase of crystalline volume fractions (Vcry) and the decrease of coercivity (HC), respectively. The initial permeability (μi) of sample annealed with applied field exhibits relatively higher value at elevated temperature, which is attributed to the intensive magnetic exchange coupling between the α-FeCo(Si) grains through the intergranular phase.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (under Grant No. 51271130), Scientific and Technological Research Project of Colleges and Universities in Hebei Province of China (under Grant No. QN2019314), and Key Research Project of Handan University (under Grant No. 2017103).

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Authors and Affiliations

  1. School of Science, Tianjin University, Tianjin, 300350, China

    Rui-min Shi & Zhi Wang

  2. School of Mathematics and Physics, Handan University, Handan, 056005, China

    Rui-min Shi

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  1. Rui-min Shi
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  2. Zhi Wang
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Correspondence to Zhi Wang.

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Shi, Rm., Wang, Z. Effect of magnetic field annealing on soft magnetic properties for (Fe0.5Co0.5)73.5Cu1Nb3Si13.5B9 alloy. J Mater Sci: Mater Electron 32, 11877–11882 (2021). https://doi.org/10.1007/s10854-021-05817-6

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