Effect of the Addition of Vanadium on the Properties of a New High Magnetic Permeability Alloy “Nimalloy” in the System of Nickel and Manganese

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  • Ni-Mn系新高透磁率合金「Nimalloy」の特性におよぼすV添加の影響について
  • Ni-Mnケイ シン コウトウジリツ ゴウキン Nimalloy ノ トクセイ ニ オヨボス V テンカ ノ エイキョウ ニ ツイテ
  • Effect of the Addition of Vanadium on the Properties of a New High Magnetic Permeability Alloy “Nimalloy” in the System of Nickel and Manganese

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Abstract

The present investigators previously found a new magnetic alloy “Nimalloy” having a high permeability in the system of nickel and manganese and then made a study of the effect of iron additions on its magnetic properties. The highest values of initial and maximum permeabilities obtained were 39,200 and 213,000 respectively. The present investigation of the influence of the addition of vanadium on the magnetic properties of “Nimalloy” has revealed that the initial and maximum permeabilities of the alloy are increased generally by the addition of a small amount of vanadium. The alloy containing 19.92% Manganese and 2.16% vanadium shows the initial permeability of 22,000 and the maximum permeability of 169,500, the magnetic hysteresis loss of 4.47 erg/cm3/cycle, the coercive force of 0.0095 Oe maximum induction of 2,000 G and the specific resistance of 55.3 μΩ-cm at 20°C after being cooled at a rate of 240°C/hr from 900°C and then reheated at 420°C for 95 hrs.

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