日本金属学会誌

J. Japan Inst. Metals, Vol. 32, No. 6 (1968),
pp. 521-524

Effect of Titanium Additions on Properties of New High Magnetic Permeability Alloys ``Nimalloy'' in the System of Nickel and Manganese

Hakaru Masumoto1, Takeo Kobayashi1 and Yuetsu Murakami1

1The Foundation; The Research Institute of Electric and Magnetic Alloy, Sendai

Abstract:

The present authors previously found that nickel-manganese alloys containing less than about 24%Mn show a high permeability by proper heat treatments and named them Nimalloy. Further, Masumoto, Murakami and others have made a study of the effect of additions of various elements on characteristic properties of nickel-manganese alloys and obtained the highest initial permeability of 76000 and the highest maximum permeability of 441000. In the present paper, the results on the effect of titanium additions on the properties of nickel-manganese is reported: the alloy containing 78.92%Ni, 19.80%Mn and 1.28%Ti shows the highest initial permeability of 20100 when baked at 400°C for 60 hr and the alloy containing 78.66%Ni, 19.29%Mn and 2.05%Ti exhibits the highest maximum permeability of 154000 when baked at 460°C for 11 hr after slow-cooling from 900°C.


(Received 1967/12/6)

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