Mutual diffusion coefficient in molten lead-bismuth mixtures.
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概要
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Mutual diffusion coefficients in the molten lead-bismuth system were measured over the whole concentration range at temperatures from 443 to 1068 K using the capillary-reservoir method. Care was taken to avoid turbulence or disturbances liable to occur in the liquid metal system at high temperatures, and also to eliminate the oxide layer or other impurities at the interface. High reliability in the determined diffusion coefficients was realized by confirming the occurrence of molecular diffusion from the observed concentration profiles. The extrapolated diffusion coefficients at infinite dilution of lead or bismuth could well be correlated by Arrhenius-type expressions. The concentration dependency of the ideal diffusion coefficients was found to be nearly linear.
- 公益社団法人 化学工学会の論文
著者
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Harada Makoto
Institute Of Advanced Energy Kyoto University
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EGUCHI Wataru
Institute of Atomic Energy, Kyoto University
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TANIGAKI MASATAKA
Institute of Atomic Energy, Kyoto University
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TOYOTA YUICHI
Institute of Atomic Energy, Kyoto University
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