Dependence of the Intermetallic Diffusion Coefficient upon Concentration
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概要
- 論文の詳細を見る
A new method to determine the intermetallic diffusion coefficient is proposed. A thin layer of one metal was electrodeposited on a surface of another metal, and the surface concentration was examined by the X-ray back-reflection method during the process of diffusion. From the surface concentration vs. time curves the diffusion coefficient was given as a function of concentration. This method was applied to the measurement of intermetallic diffusion coefficient for nickel copper system at the temperature 800, 900, and 1000℃ respectively. A discrepancy was found between the diffusion coefficients obtained from the nickel-deposited copper plates and from copper-deposited nickel plates. This is considered to originate from porosities formed near the diffusion interface due to the vacancy flow and from some properties of electrodeposited layer.
- 社団法人日本物理学会の論文
- 1954-12-25
著者
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Ogawa Shiro
The Research Institute For Iron Steel And Other Metals Tohoku University
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Hirone Tokutaro
The Research Institute For Iron Steel And Other Metals
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Mizuno Joji
The Research Institute For Iron Steel And Other Metals
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Ogawa Shiro
The Rcsearch Institute For Iron Steel And Other Metals Tohoku University
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HIRONE Tokutaro
The Research Institute for Iron, Steel and Other Metals, Tohoku University
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