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Numerical analysis of deuterium migration behaviors in tungsten damaged by fast neutron by means of gas absorption method
http://hdl.handle.net/10655/00012726
http://hdl.handle.net/10655/00012726ace7544a-9c24-42b1-8430-cf85599ad62a
名前 / ファイル | ライセンス | アクション |
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Fus.Eng.Des_168_112635 (566.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-12-15 | |||||
タイトル | ||||||
タイトル | Numerical analysis of deuterium migration behaviors in tungsten damaged by fast neutron by means of gas absorption method | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Tungsten | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Neutron | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Divertor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | TDS | |||||
キーワード | ||||||
主題Scheme | Other | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
KOBAYASHI, Makoto I.
× KOBAYASHI, Makoto I.× Shimada, Masashi× Taylor, Chase N.× NOBUTA, Yuji× Hatano, Yuji× Oya, Yasuhisa |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0003-0920-2154 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Deuterium retention behavior in tungsten damaged by fast neutrons at high temperatures (0.43 dpa at 918 K and 0.74 dpa at 1079 K) and 6.4 MeV Fe2+ (0.3 dpa at R.T.) were investigated to evaluate the tritium retention property of fusion reactor divertors. A deuterium gas absorption method was carried out to avoid additional damage that may be induced by plasma exposure, then, deuterium retention and desorption behaviors were investigated quantitatively by means of thermal desorption spectroscopy and the following simulation code. The deuterium desorption spectra for tungsten samples were analyzed by the numerical code which includes the elementary steps of hydrogen isotope migration processes including diffusion, trapping, detrapping, and surface recombination. The evaluated deuterium detrapping energy from the irradiation defects in neutron irradiated tungsten sample was larger than that in 6.4 MeV Fe2+ irradiated tungsten. It was suggested that the dominant deuterium trapping site in the neutron irradiated tungsten would be voids which was formed by the accumulation of vacancies during neutron irradiation under high temperature and long duration. | |||||
書誌情報 |
Fusion Engineering and Design 巻 168, p. 112635, 発行日 2021-05-15 |
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出版者 | ||||||
出版者 | ELSEVIER | |||||
ISBN | ||||||
識別子タイプ | ISBN | |||||
関連識別子 | 0920-3796 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10691446 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.fusengdes.2021.112635 | |||||
権利 | ||||||
権利情報 | © 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 | |||||
情報源 | ||||||
関連名称 | Makoto I Kobayashi, Masashi Shimada, Chase N Taylor, Yuji Nobuta, Yuji Hatano, Yasuhisa Oya, Numerical analysis of deuterium migration behaviors in tungsten damaged by fast neutron by means of gas absorption method, Fusion Engineering and Design, Volume 168, 2021, 112635. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.fusengdes.2021.112635 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
NAIS | ||||||
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