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2010 Fiscal Year Final Research Report

Study on hydrogen isotope behavior in metal re-deposition layer in a fusion reactor

Research Project

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Project/Area Number 21760691
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Nuclear fusion studies
Research InstitutionKyushu University

Principal Investigator

KATAYAMA Kazunari  Kyushu University, 大学院・総合理工学研究院, 助教 (90380708)

Project Period (FY) 2009 – 2010
Keywordsプラズマ・壁相互作用 / 再堆積
Research Abstract

In the development of a fusion reactor expected as a next generation high density energy source, the understanding of fuel tritium behavior is an indispensable problem. In the present study, the sorption/desorption characteristics evaluation of fuel hydrogen isotopes in the metal re-deposition layer formed by erosion of the inner wall of the plasma confinement vessel were performed. It was found that not a small amount of hydrogen was trapped in the metal deposition layers grown under hydrogen plasma irradiation. The amount of hydrogen greatly varied depending on the deposition condition. It was revealed that the majority of hydrogen retained can be recovered by heating to 600℃ or more.

  • Research Products

    (14 results)

All 2011 2010 2009 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (10 results) Remarks (1 results)

  • [Journal Article] Hydrogen incorporation in tungsten deposits growing by deuterium plasma sputtering2011

    • Author(s)
      Kazunari Katayama, Sansiro Kasahara, Shinichi Ishikawa, Satoshi Fukada, Masabumi Nishikawa
    • Journal Title

      Fusion Engineering and Design in press

    • Peer Reviewed
  • [Journal Article] Effect of oxygen on hydrogen retention in W deposition layers formed by hydrogen RF plasma2010

    • Author(s)
      Toshiya Fujiki, Kazunari Katayama, Sansiro Kasahara, Satoshi Fukada, Masabumi Nishikawa
    • Journal Title

      Fusion Engineering and Design 85

      Pages: 1094-1097

    • Peer Reviewed
  • [Journal Article] Hydrogen release from deposition layers formed from 316 stainless steel by hydrogen plasma sputtering2009

    • Author(s)
      K.Katayama, Y.Uchida, T.Fujiki, M.Nishikawa, S.Fukada, N.Ashikawa, T.Uda
    • Journal Title

      Journal of Nuclear Materials 390-391

      Pages: 689-692

    • Peer Reviewed
  • [Presentation] プラズマ容器内とその周辺でのトリチウム挙動に関する研究2011

    • Author(s)
      片山一成
    • Organizer
      科研特定領域「核融合トリチウム」研究発表・交流会
    • Place of Presentation
      湯河原
    • Year and Date
      2011-03-05
  • [Presentation] タングステン再付着物中の水素挙動に関する研究2010

    • Author(s)
      片山一成
    • Organizer
      PWI合同研究会
    • Place of Presentation
      核融合科学研究所
    • Year and Date
      2010-11-18
  • [Presentation] Hydrogen incorporation in tungsten deposits growing by deuterium plasma sputtering2010

    • Author(s)
      K.Katayama, S.Kasahara, S.Ishikawa, S.Fukada, M.Nishikawa
    • Organizer
      The 26^th Symposium on Fusion Technology
    • Place of Presentation
      ポルト
    • Year and Date
      2010-09-28
  • [Presentation] プラズマ曝露による金属堆積層からの水素同位体脱離挙動2010

    • Author(s)
      石川進一郎、片山一成、笠原三四郎、深田智、西川正史、大西泰仁
    • Organizer
      日本原子力学会
    • Place of Presentation
      北海道大学
    • Year and Date
      2010-09-17
  • [Presentation] スパッタ金属堆積過程℃の軽水素・重水素捕捉挙動2010

    • Author(s)
      片山一成、藤木俊也、笠原三四郎、深田智、西川正史、石川進一郎
    • Organizer
      日本原子力学会
    • Place of Presentation
      茨城大学
    • Year and Date
      2010-03-27
  • [Presentation] プラズマ容器内でのトリチウム挙動に関する研究2010

    • Author(s)
      片山一成
    • Organizer
      科研特定領域「核融合トリチウム」若手交流研究発表会
    • Place of Presentation
      御殿場
    • Year and Date
      2010-03-06
  • [Presentation] 金属堆積層における水素同位体挙動2009

    • Author(s)
      片山一成、藤木俊也、笠原三四郎、石川進一郎、深田 、西川正史、芦川直子、宇田達彦
    • Organizer
      プラズマ・核融合学会
    • Place of Presentation
      京都市
    • Year and Date
      2009-12-02
  • [Presentation] Effect of oxygen on hydrogen retention in W deposition layers formed by hydrogen RF plasma2009

    • Author(s)
      T.Fujiki, K.Katayama, S.Kasahara, S.Fukada, M.Nishikawa
    • Organizer
      The 9^th International Symposium on Fusion Nuclear Technology
    • Place of Presentation
      大連
    • Year and Date
      2009-10-14
  • [Presentation] 金属堆積層への水素同位体ガス吸収に関する研究2009

    • Author(s)
      片山一成、藤木俊也、笠原三四郎、深田智、西川正史
    • Organizer
      日本原子力学会
    • Place of Presentation
      東北大学
    • Year and Date
      2009-09-17
  • [Presentation] 堆積層形成と水素同位体捕捉にk何する研究2009

    • Author(s)
      片山一成、深田智、西川正史、藤木俊也、笠原三四郎、石川進一郎、芦川直子、宇田達彦
    • Organizer
      PWI合同研究会
    • Place of Presentation
      核融合科学研究所
    • Year and Date
      2009-08-05
  • [Remarks] ホームページ等

    • URL

      http://www.qpn.kyushu-u.ac.jp/lab5/index.html

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Published: 2012-02-13   Modified: 2016-04-21  

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