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Journal of Applied Physics / Volume 111 / Issue 7 / PROCEEDINGS OF THE 56TH ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS / Soft Magnetic Materials

J. Appl. Phys. 111, 07A312 (2012); http://dx.doi.org/10.1063/1.3672088 (3 pages)

Soft magnetic properties of bulk FeCoMoPCBSi glassy core prepared by copper mold casting

Mingxiao Zhang, Fanli Kong, Anding Wang, Chuntao Chang, and Baolong Shen

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

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(Received 22 September 2011; accepted 24 October 2011; published online 16 February 2012)

Bulk Fe66Co10Mo3.5P10C4B4Si2.5 glassy core of 10 mm in outer diameter, 6 mm in inner diameter, and 1 mm in thickness was successfully prepared by copper mold casting. The effects of annealing treatments on magnetic properties and microstructure of these cores were investigated. After an optimum annealing treatment, the resulting bulk glassy core exhibits good magnetic properties, i.e., high saturation magnetic flux density of 1.23 T, low coercive force of 1.0 A/m, high maximum permeability of 450 000, respectively. In addition, the glassy core also shows low core loss of 0.4 W/kg at 50 Hz and at maximum magnetic flux density of 1 T. The synthesis of bulk glassy core with excellent magnetic properties is encouraging for enlarging the application field of ferromagnetic bulk glassy alloys.

© 2012 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. EXPERIMENT
  3. RESULTS AND DISCUSSION
  4. CONCLUSIONS

KEYWORDS, PACS, and IPC

Keywords

annealing, boron compounds, cobalt compounds, coercive force, crystal microstructure, ferromagnetic materials, iron compounds, magnetic permeability, metallic glasses, molybdenum compounds, permanent mould casting, phosphorus compounds, silicon compounds, soft magnetic materials

PACS

  • 75.60.Ej

    Magnetization curves, hysteresis, Barkhausen and related effects

  • 75.50.Vv

    High coercivity materials

  • 81.10.Fq

    Growth from melts; zone melting and refining

  • 75.50.Bb

    Fe and its alloys

  • 75.50.Kj

    Amorphous and quasicrystalline magnetic materials

  • 81.40.Gh

    Other heat and thermomechanical treatments

International Patent Classification (IPC)

  • C22C45/00

    Amorphous alloys

  • B22C9/06

    Permanent moulds for shaped castings

  • B22D

    Casting of metals; Casting of other substances by the same processes or devices

  • C21D1/26

    Methods of annealing

  • H01F1/00

    Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties

  • H01F1/12

    Of soft-magnetic materials

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3672088

PUBLICATION DATA

ISSN

0021-8979 (print)  
1089-7550 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
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