Fe-Nb系半硬質磁性合金「Recalloy」の特性について

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タイトル別名
  • On the Properties of Semi-hard Magnetic Alloys “Recalloy” in the Fe-Nb System
  • Fe Nbケイ ハン コウシツ ジセイ ゴウキン Recalloy ノ トクセ
  • On the Properties of Semi-hard Magnetic Alloys “Recalloy” in the Fe-Nb System

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Magnetic properties, electrical resistivity, hardness and microstructure have been studied on Fe-Nb alloys (Recalloy) containing less than 4%Nb. The alloys are water-quenched from various temperatures over the α-γ transformation point, cold-drawn by more than 50% reduction, and then reheated at 400∼1000°C for less than 5 h.<BR>The magnetic properties of those alloys depend remarkably on the reduction rate, the reheating temperature and time. An Fe-3.1%Nb alloy reheated at 650°C for 30 min after water-quenching from 1050°C and cold-drawing by 97.2% reduction exhibits very superior properties as follows: magnetic induction at 8 kA/m B8=1.74 T, residual induction Br=1.62 T, coercive force Hc=1.62 kA/m, squareness ratio Br/B8, and squareness \sqrt(BH)max⁄BrHc=0.90. The electrical resistivity and Vickers hardness of this alloy are 0.126 μΩ·m and 353, respectively.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 41 (10), 1014-1018, 1977

    公益社団法人 日本金属学会

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