The Electrical Resistivity of Cu-Ni Alloys and Matthiessen's Rule

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概要

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• The electrical resistivity of copper-nickel alloys has been measured at the temperature-range from ordinary to liquid nitrogen temperature and the validity of Matthiessen's rule concerning the alloys having the compositions approaching copper has been examined. The results obtained are as follows. (1) Both resistivity vs. composition curves obtained at 23℃ and -183℃ are approximately parabolic. (2) It has been ascertained that Matthiessen's rule does not hold in the case of Cu-Ni alloys adjacent to copper, i. e. dp/dt is not constant with the change of nickel-concentration but changes linearly with it. (3) A plausible explanation based upon the conduction theory of electricity in metals has been given for the deviation from Matthiessen's rule.

• 東北大学の論文

著者

• Shibuya Yoshio

  The Research Institute For Iron Steel And Other Metals

関連論文

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