Improvement of Soft Magnetic Properties in (Fe<SUB>0.85</SUB>B<SUB>0.15</SUB>)<SUB>100−<I>x</I></SUB>Cu<I><SUB>x</SUB></I> Melt-Spun Alloys

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  • Improvement of soft magnetic properties in (Fe0.85B0.15)100-xCu[x] melt-spun alloys
  • Improvement of Soft Magnetic Properties in (Fe<SUB>0.85</SUB>B<SUB>0.15</SUB>)<SUB>100&minus;<I>x</I></SUB>Cu<I><SUB>x</SUB></I> Melt-Spun Alloys

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Abstract

The Cu content dependence of magnetic properties in annealed (Fe0.85B0.15)100−xCux alloys fabricated by melt-spinning was discussed. The value of Hc markedly decreases with increasing x between x=1.0 and 1.5, accompanied with significant reduction of crystalline grain size. The alloy with x=1.5 showed excellent magnetic properties such as a small Hc of about 7 A/m and a high Bs of more than 1.8 T. For the present alloy system, more than 1.0% addition of Cu is effective for the formation of nano-scale grains and for the improvement of the soft magnetic properties.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 48 (9), 2378-2380, 2007

    The Japan Institute of Metals and Materials

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