Ni-Mn系新高透磁率合金「Nimalloy」の特性におよぼすSi添加の影響について

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  • Effect of the Addition of Silicon on Properties of the New High Magnetic Permeability Alloy “Nimalloy” in the System of Nickel and Manganese
  • 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 Si テンカ ノ エイキョウ ニ ツイテ
  • Effect of the Addition of Silicon on Properties of the New High Magnetic Permeability Alloy “Nimalloy” in the System of Nickel and Manganese

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Following the disovery of a new high magnetic permeability alloy “Nimalloy” in the system of nickel and manganese, the present authors made a study of the effect of additions of iron and vanadium on its magnetic properties. The highest value of initial and maximum permeabilities obtained were 39,200 and 213,000, respectively. The present investigation on the influence of the addition of silicon on 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 silicon. Thus the alloy containing 8.77% manganese and 3.55% silicon shows the initial permeability of 22,500 when reheated at 400°C for 80 hr after cooling at a rate of 240°C/hr from 900°C, and the alloy containing 9.24% manganese and 3.57% silicon exhibits the maximum permeability of 140,000 when reheated at 380°C for 19 hr after cooling at a rate of 240°C/hr from 900°C. The alloy containing 8.28% manganese and 4.18% silicon shows the magnetic hysteresis loss of 3.67 erg/cm3/cycle and the coercive force of 0.0076 Oe for the maximum induction of 2,000 G when reheated at 400°C for 50 hr after cooling at a rate of 240°C/hr from 900°C, its specific electrical resistivity being 55.7 μΩ-cm at 20°C.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 31 (9), 1117-1121, 1967

    公益社団法人 日本金属学会

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