Hydrogen permeation through sputter-deposited tungsten coated F82H in QUEST

the QUEST group 2

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    Hydrogen plasma-driven permeation (PDP) experiments have been performed using a sputter-deposited tungsten (SP-W) coated F82H membrane in the spherical tokamak QUEST. It has been found that SP-W coatings tend to enhance hydrogen PDP compared with that of bare F82H membrane. Surface recombination is a key process determining the PDP flux, suggesting that surface effects on hydrogen PDP should be further investigated.

    Original languageEnglish
    Article number1305038
    JournalPlasma and Fusion Research
    Volume12
    DOIs
    Publication statusPublished - Jan 1 2017

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    hydrogen plasma
    tungsten
    hydrogen
    membranes
    coatings

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics

    Cite this

    Hydrogen permeation through sputter-deposited tungsten coated F82H in QUEST. / the QUEST group 2.

    In: Plasma and Fusion Research, Vol. 12, 1305038, 01.01.2017.

    Research output: Contribution to journalArticle

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    author = "{the QUEST group 2} and Yue Xu and Arseniy Kuzmin and Yoshi Hirooka and Kazuaki Hanada and Naoko Ashikawa",
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    AU - Hanada, Kazuaki

    AU - Ashikawa, Naoko

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    AB - Hydrogen plasma-driven permeation (PDP) experiments have been performed using a sputter-deposited tungsten (SP-W) coated F82H membrane in the spherical tokamak QUEST. It has been found that SP-W coatings tend to enhance hydrogen PDP compared with that of bare F82H membrane. Surface recombination is a key process determining the PDP flux, suggesting that surface effects on hydrogen PDP should be further investigated.

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