Permeation of two-component hydrogen isotopes in lithium-lead eutectic alloy

Y. Edao, H. Okitsu, H. Noguchi, S. Fukada

研究成果: ジャーナルへの寄稿学術誌査読

13 被引用数 (Scopus)

抄録

We performed an experiment of H and D permeation through Li 17Pb83 in the two-component (H-VD) system by an unsteady permeation method to clarify interactions between H and D atoms. It was found that H and D permeate independently regardless of the H/D composition ratio in the upstream gas. Dissolution of H and D atoms into Li17Pb 83 follows the Sieverts' law in the two-component system in a similar way to the single one. Diffusion of H and D in Li17Pb83 was the rate-determining step in the overall permeation process. An isotope effect of permeability between H and D was around 1.4 in the temperature range from 400°C to 700°C. The ratio of the isotope effect was in proportion to the square root of mass ratio of D to H. Tritium permeation can be estimated in a similar way.

本文言語英語
ページ(範囲)1163-1166
ページ数4
ジャーナルFusion Science and Technology
60
3
DOI
出版ステータス出版済み - 10月 2011

!!!All Science Journal Classification (ASJC) codes

  • 土木構造工学
  • 核物理学および高エネルギー物理学
  • 原子力エネルギーおよび原子力工学
  • 材料科学一般
  • 機械工学

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