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FePCCu nanocrystalline alloys with excellent soft magnetic properties

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Abstract

The effect of Cu addition on crystallization behavior and soft magnetic properties of Fe84−x P10C6Cu x (x = 0−1.15) alloys was investigated. Low-cost FePCCu nanocrystalline alloys dispersed with α-Fe phase with an average grain size of 15–35 nm were obtained by appropriately annealing the melt-spun ribbons at 683 K for 5 min. The Fe83.25P10C6Cu0.75 nanocrystalline alloy exhibits a high B s of 1.65 T, low H c of 3.3 A/m and high µe at 1 kHz of 21 100, which is superior to the traditional FePC soft magnetic alloys. The core loss is as low as 0.32 W/kg at 1.0 T and 50 Hz, which is 60% that of nonoriented Fe 6.5 mass% Si-steel. It is encouraging to synthesize this Fe-based nanocrystalline alloy with excellent soft-magnetic properties even using commercially industry-grade raw materials, which is promising for the future industrial applications.

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Authors and Affiliations

  1. Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Material Technology & Engineering, Chinese Academy of Sciences, Ningbo, 315201, China

    YunLong Jin, XingDu Fan, He Men & BaoLong Shen

  2. The School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315201, China

    XinCai Liu

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  1. YunLong Jin
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  2. XingDu Fan
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  3. He Men
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  4. XinCai Liu
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  5. BaoLong Shen
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Correspondence to BaoLong Shen.

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Jin, Y., Fan, X., Men, H. et al. FePCCu nanocrystalline alloys with excellent soft magnetic properties. Sci. China Technol. Sci. 55, 3419–3424 (2012). https://doi.org/10.1007/s11431-012-4928-0

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  • DOI: https://doi.org/10.1007/s11431-012-4928-0

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