New Fe-based soft magnetic alloys composed of ultrafine grain structure

DOI PDF 被引用文献210件
  • Y. Yoshizawa
    Magnetic and Electronic Materials Research Laboratory, Hitachi Metals, Ltd., 5200 Mikajiri, Kumagaya-shi, Saitama-ken 360, Japan
  • S. Oguma
    Magnetic and Electronic Materials Research Laboratory, Hitachi Metals, Ltd., 5200 Mikajiri, Kumagaya-shi, Saitama-ken 360, Japan
  • K. Yamauchi
    Magnetic and Electronic Materials Research Laboratory, Hitachi Metals, Ltd., 5200 Mikajiri, Kumagaya-shi, Saitama-ken 360, Japan

書誌事項

公開日
1988-11-15
DOI
  • 10.1063/1.342149
公開者
AIP Publishing

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説明

<jats:p>The magnetic properties of Fe-Si-B-M (M: additives) alloys prepared by annealing amorphous alloys made by the single roller method over their crystallization temperature have been investigated for development of new Fe-based soft magnetic alloys. Excellent soft magnetic properties were obtained by adding the two elements Cu and Nb to Fe-Si-B alloys. It was found that these new alloys, called ‘‘FINEMET,’’ have an ultrafine grain structure composed of bcc Fe solid solution. They are suitable for many kinds of magnetic components such as saturable reactors, choke coils, and transformers, because they have superior soft magnetic properties and a high saturation flux density, and because different types of B-H hysteresis loops are obtained by magnetic field annealing.</jats:p>

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