Effect of coexistent hydrogen isotopes on tracer diffusion of tritium in alpha phase of group-V metal-hydrogen systems

Kan Sakamoto, Kenichi Hashizume, Masayasu Sugisaki

    研究成果: ジャーナルへの寄稿記事

    抄録

    Tracer diffusion coefficients of tritium in the alpha phase of group-V metal-hydrogen systems, α-MH(D)xTy (M = V and Ta; x >> y), were measured in order to clarify the effects of coexistent hydrogen isotopes on the tritium diffusion behavior. The hydrogen concentration dependence of such behavior and the effects of the coexistent hydrogen isotopes (protium and deuterium) were determined. The results obtained in the present (for V and Ta) and previous (for Nb) studies revealed that tritium diffusion was definitely dependent on hydrogen concentration but was not so sensitive to the kind of coexistent hydrogen isotopes. By summarizing those data, it was found that the hydrogen concentration dependence of the tracer diffusion coefficient of tritium in the alpha phase of group-V metals could be roughly expressed by a single empirical curve.

    元の言語英語
    ページ(範囲)26-30
    ページ数5
    ジャーナルjournal of nuclear science and technology
    46
    発行部数1
    DOI
    出版物ステータス出版済み - 1 2009

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    Radioactive tracers
    hydrogen isotopes
    Tritium
    tritium
    Isotopes
    tracers
    Hydrogen
    hydrogen
    Metals
    metals
    diffusion coefficient
    light water
    deuterium
    Deuterium
    curves

    All Science Journal Classification (ASJC) codes

    • Nuclear and High Energy Physics
    • Nuclear Energy and Engineering

    これを引用

    Effect of coexistent hydrogen isotopes on tracer diffusion of tritium in alpha phase of group-V metal-hydrogen systems. / Sakamoto, Kan; Hashizume, Kenichi; Sugisaki, Masayasu.

    :: journal of nuclear science and technology, 巻 46, 番号 1, 01.2009, p. 26-30.

    研究成果: ジャーナルへの寄稿記事

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    abstract = "Tracer diffusion coefficients of tritium in the alpha phase of group-V metal-hydrogen systems, α-MH(D)xTy (M = V and Ta; x >> y), were measured in order to clarify the effects of coexistent hydrogen isotopes on the tritium diffusion behavior. The hydrogen concentration dependence of such behavior and the effects of the coexistent hydrogen isotopes (protium and deuterium) were determined. The results obtained in the present (for V and Ta) and previous (for Nb) studies revealed that tritium diffusion was definitely dependent on hydrogen concentration but was not so sensitive to the kind of coexistent hydrogen isotopes. By summarizing those data, it was found that the hydrogen concentration dependence of the tracer diffusion coefficient of tritium in the alpha phase of group-V metals could be roughly expressed by a single empirical curve.",
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