Effect of Addition of Silicon, Tin or Vanadium on the Elinvar Property of Nickel at High Temperature

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  • Masumoto Hakaru
    The Foundation: The Research Institute of Electric and Magnetic Alloys
  • Sawaya Shôhachi
    The Foundation: The Research Institute of Electric and Magnetic Alloys
  • Nakamura Naoji
    The Foundation: The Research Institute of Electric and Magnetic Alloys

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  • Niの高温におけるElinvar特性におよぼすSi, SnおよびV添加の影響について
  • Ni ノ コウオン ニ オケル Elinvar トクセイ ニ オヨボス Si , Sn オヨビ V テンカ ノ エイキョウ ニ ツイテ

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Abstract

The linear coefficient of thermal expansion, Young’s modulus and its temperature coefficient, and the density have been measured so as to investigate the effect of addition of Si, Sn or V on the anomaly of Young’s modulus, that is, the Elinvar property of nickel at high temperature. The results show that in the alloy systems, Ni-Si, Ni-Sn and Ni-V, the Elinvar property of nickel at high temperature falls down gradually to room temperature along the magnetic transformation point with increasing addition of each element and also a minimum linear coefficient of thermal expansion, the so-called Invar property, appears near the composition at which the Elinvar property is revealed.

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