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Fabrication and magnetic properties of novel Fe-based amorphous powder and corresponding powder cores

机译:新型铁基非晶粉及其相应粉芯的制备及磁性能

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摘要

Abstract In this study, Fe~(77)P~(6)B~(10)Si~(4)Nb~(2)Cr~(1)amorphous powder in the particle size range below 75 µm was synthesized using industrial raw materials by water atomization. Then the amorphous magnetic powder cores (AMPCs) were prepared from the mixture of the amorphous alloy powder with different contents of epoxy resin as insulation/bonding materials by cold pressing. After annealed at 673 K for 1 h, the evolution of the high-frequency properties for the FePBSiNbCr AMPCs with the epoxy resin contents was studied. The AMPCs showed excellent magnetic properties, including high effective permeability of 62–82 with a high frequency stability up to 10 MHz, low core loss of 308–500 mW/cm_(3)at 100 kHz under the maximum magnetic flux density of 0.05 T, and superior DC-bias permeability of 62–72% at a bias field of 100 Oe. The development of Fe-based AMPCs with excellent soft magnetic properties is encouraging for future applications as functional materials.
机译:摘要本研究利用工业原料合成了粒径范围在75μm以下的Fe〜(77)P〜(6)B〜(10)Si〜(4)Nb〜(2)Cr〜(1)非晶态粉末物料经水雾化。然后,由非晶合金粉末与作为绝缘/粘结材料的环氧树脂含量不同的非晶合金粉末的混合物通过冷压制得。在673 K退火1 h后,研究了FePBSiNbCr AMPC的高频性能随环氧树脂含量的变化。 AMPC具有出色的磁性能,包括最大磁通密度为0.05T时62-82的高有效磁导率,高达10MHz的高频稳定性,在100kHz的低铁损308-500 mW / cm_(3) ,并且在100 Oe的偏置场下具有62-72%的出色直流偏置磁导率。具有优异的软磁性能的铁基AMPC的开发对于将来作为功能材料的应用是令人鼓舞的。

著录项

  • 来源
    《Journal of materials science》 |2018年第7期|6092-6097|共6页
  • 作者单位

    Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, CAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences;

    Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, CAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences;

    Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, CAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences;

    Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, CAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences;

    Ningbo yunsheng co. ltd;

    Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, CAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences;

    Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, CAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

  • 入库时间 2022-08-17 13:43:28

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