Ni-Fe-Cu系合金の磁気特性に及ぼすva族元素(V，Nb，Ta)添加の影響

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タイトル別名
  • Effect of Va Group (V, Nb, Ta) Additions on the Magnetic Property of the Ni-Fe-Cu Alloys
  • Ni Fe Cuケイ ゴウキン ノ ジキ トクセイ ニ オヨボス Vaゾク ゲ

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抄録

The magnetic property, electrical resistivity and hardness were measured on Ni-Fe-Cu-V alloys consisting of 60-90%Ni, 5-25%Fe, 3-30%Cu and 0.5-10%V, Ni-Fe-Cu-Nb alloys consisting of 55-85%Ni, 5-25%Fe, 3-30%Cu and 1-12%Nb as well as Ni-Fe-Cu-Ta alloys consisting of 50-85%Ni, 5-25%Fe, 3-30%Cu and 2-18%Ta. These alloys were first heated in hydrogen atmosphere at temperatures between 1173 and 1573 K and then cooled at various rates from a temperature above the order-disorder transformation point. In the Ni-Fe-Cu-V system, the highest initial permeability μi of 74.9 mH·m−1 and the highest maximum permeability μm of 392 mH·m−1 was obtained for the alloy of 74%Ni, 14%Fe, 10%Cu and 2%V when cooled at a rate of 2.78×10−2 K·s−1 after annealing at 1473 K for 18 ks. This alloy exhibited the electrical resistivity ρ of 0.475 μΩ·m and vickers hardness Hv of 140. In the Ni-Fe-Cu-Nb system, the highest μi of 78.0 mH·m−1 was shown for the alloy of 69.5%Ni, 11.5%Fe, 15%Cu and 4%Nb when cooled at a rate of 2.78×10−2 K·s−1 and the highest μm of 608 mH·m−1 for the alloy of 76%Ni, 12%Fe, 5%Cu and 7%Nb when cooled at a rate of 16.67×10−2 K·s−1 after annealing at 1473 K for 18 ks. The alloy with the highest μi showed ρ of 0.580 μΩ·m and Hv of 185. In the Ni-Fe-Cu-Ta system, the highest μi of 74.5 mH·m−1 and the highest μm of 463 mH·m−1 were obtained for the alloy of 66.5%Ni, 11.5%Fe, 15%Cu and 7%Ta when cooled at a rate of 2.78×10−2 K·s−1 after annealing at 1473 K for 18 ks. The alloy exhibited ρ of 0.555 μΩ·m and Hv of 180. Further it was confirmed that those high permeability alloys containing Va group elements showed low magnetostriction.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 50 (9), 858-865, 1986

    公益社団法人 日本金属学会

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