Diffusion of Cobalt into Iron-Cobalt Alloy
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概要
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The diffusivities of CO^60 into 50-50 atomic percent iron-cobalt alloy were measured by means of the lathe sectioning method for the temperature range including f.c.c. to b.c.c. phase transformation. The experimental values were expressed by D = 1.1 × 10^<-4>exp (-41800/RT) cm^2/sec for f.c.c. structure, D = 2.6 × 10^<-6>exp (-27400/RT) cm^2/sec for b.c.c. structure. The activation energies for diffusion in the b.c.c. and f.c.c. lattices were compared with the theoretical values calculated by the approximation of the closed shell repulsion with the Born-Mayer potential. And it is concluded that the vacancy mechanism is responsible for the diffusion in the body centered cubic metal in the same manner as in the face centered cubic metal.
- 社団法人日本物理学会の論文
- 1958-08-05
著者
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HIRONE Tokutaro
The Research Institute for Iron, Steel and Other Metals
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Kunitomi Nobuhiko
The Research Institute For Iron Steel And Other Metals Tohoku University:(present)japan Atomic Energ
-
Kunitomi Nobuhiko
The Research Institute For Iron Steel And Other Metals
-
Hirone Tokutaro
The Research Institute For Iron Steel And Other Metals
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SAKAMOTO Masanobu
The Research Institute for Iron, Steel and Other Metals, Tohoku University
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Sakamoto Masanobu
The Research Institute For Iron Steel And Other Metals Tohoku University:(present)japan Atomic Energ
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