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Magnetic Properties of FeSiBC Amorphous Alloy Powder Cores Using Mechanical-Crushed Powder

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Abstract

The FeSiBC amorphous powder cores were fabricated using powders of the FeSiBC amorphous ribbons which were mechanically crushed for a short time, and the relationship between magnetic properties and powder particle sizes was evaluated. The saturation magnetization Bs of the amorphous Fe82Si2B15C1 alloy was 1.62 T, which provided a superior dc-bias property for the powder cores. Meanwhile, a stable permeability up to high frequency range over 10 MHz and the low core loss of 400 kW/m3 at f = 50 kHz and Bm = 0.1 T were obtained. These excellent high-frequency magnetic properties of the FeSiBC amorphous powder cores could be attributed to the effective electrical insulation between the FeSiBC amorphous powders made by mechanical crushing.

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Authors and Affiliations

  1. China Iron and Steel Research Institute, 100081, Beijing, China

    Xiang-yue Wang (Doctor, Engineer), Zhi-chao Lu, Cao-wei Lu & De-ren Li

  2. Advanced Technology and Materials Co., Ltd., 100081, Beijing, China

    Xiang-yue Wang (Doctor, Engineer), Zhi-chao Lu, Cao-wei Lu, Guang-min Li & De-ren Li

Authors
  1. Xiang-yue Wang
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  2. Zhi-chao Lu
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  3. Cao-wei Lu
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  4. Guang-min Li
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  5. De-ren Li
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Correspondence to Xiang-yue Wang.

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Foundation Item: Item Sponsored by National Natural Science Foundation of China (51071050)

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Wang, Xy., Lu, Zc., Lu, Cw. et al. Magnetic Properties of FeSiBC Amorphous Alloy Powder Cores Using Mechanical-Crushed Powder. J. Iron Steel Res. Int. 21, 1055–1058 (2014). https://doi.org/10.1016/S1006-706X(14)60183-7

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  • DOI: https://doi.org/10.1016/S1006-706X(14)60183-7

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