高導磁率Fe-Al合金の磁性におよぼすCr, Moの添加効果について

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タイトル別名
  • Effect of Chromium and Molybdenum on Magnetic Properties of High Permeability Iron-Aluminum Alloys
  • コウドウジリツ Fe-Al ゴウキン ノ ジセイ ニ オヨボス Cr , Mo ノ テンカ コウカ ニ ツイテ

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The effect of chromium and molybdenum on the magnetic properties of high permeability iron-aluminum (13∼16%) alloys was studied. The magnetic properties were measured after heating at 1000°C in hydrogen atomosphere and water quenching from 600°C.<BR>The results obtained are as follows:<BR>(1) The addition of 2∼4% molybdenum improves greatly the magnetic properties of Fe-Al alloys. The aluminum content which is required to exhibit the most favorable magnetic properties proportionally decreases with the increasing molybdenum content. The values of μ0>6000, μm>100000 and Hc<0.03 Oe are obtained in a wide composition range from 14.3 to 15.8%Al and, in particular, the 3%Mo-14.6%Al-Fe alloy has the maximum values: μ0=8000, μm=120000, Hc=0.020 Oe.<BR>(2) The addition of 1∼2% chromium slightly improves the magnetic properties, but 3∼4% chromium deteriorates.<BR>(3) The saturation induction decreases with increasing chromium and molybdenum contents.<BR>(4) Oil and air quenchings remarkably deteriorate the magnetic properties in all the specimens.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 28 (8), 457-460, 1964

    公益社団法人 日本金属学会

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