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首页> 外文期刊>Nuclear fusion >Surface composition and structure of divertor tiles following the JET tokamak operation with the ITER-like wall
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Surface composition and structure of divertor tiles following the JET tokamak operation with the ITER-like wall

机译：JET托卡马克操作后的类似ITER墙的分流砖的表面组成和结构

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摘要

Samples extracted from several divertor tiles following the 2011-2012 operation of JET with the ITER-Like wall were analyzed using ion beam analysis methods, x-ray fluorescence spectroscopy, scanning electron microscopy with energy dispersive spectroscopy analysis and x-ray diffraction. The emphasis was on the determination of light species and on material mixing including compound formation on the bottom and the outer divertor tiles. Deposition of deuterium, beryllium, carbon, nitrogen, oxygen, iron, chromium, nickel and molybdenum has been detected on all studied tiles. The thickest deposition, of around 4 μm, was measured on the bottom of the outer divertor, whereas the other surfaces (inner bottom and vertical outer) the co-deposits were around 1 μm. x-ray diffraction measurements have revealed the formation of the compound W_2C on all specimens.
机译：使用离子束分析方法，X射线荧光光谱法，扫描电子显微镜和能量色散光谱法以及X射线衍射分析了JET在2011-2012年JET运行后使用ITER样墙从数个偏滤砖中提取的样品。重点是确定轻质物质和材料混合，包括在底部和外部分流砖上形成化合物。在所有研究的瓷砖上都检测到了氘，铍，碳，氮，氧，铁，铬，镍和钼的沉积。在外部分流器的底部测得的最厚沉积物约为4μm，而共沉积的其他表面（内部底部和垂直外部）约为1μm。 X射线衍射测量表明在所有样品上均形成了化合物W_2C。

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  • 来源
    《Nuclear fusion》 |2017年第7期|1-7|共7页
  • 作者

    A. Lagoyannis; P. Tsavalas; K. Mergia; G. Provatas; K. Triantou; E. Tsompopoulou; M. Rubel; P. Petersson; A. Widdowson; S. Harissopulos; T.J. Mertzimekis; the JET contributors;

  • 作者单位

    Fusion Technology Group, National Centre for Scientific Research 'Demokritos', 15310 Aghia Paraskevi, Athens, Greece;

    Fusion Technology Group, National Centre for Scientific Research 'Demokritos', 15310 Aghia Paraskevi, Athens, Greece;

    Fusion Technology Group, National Centre for Scientific Research 'Demokritos', 15310 Aghia Paraskevi, Athens, Greece;

    Fusion Technology Group, National Centre for Scientific Research 'Demokritos', 15310 Aghia Paraskevi, Athens, Greece;

    Fusion Technology Group, National Centre for Scientific Research 'Demokritos', 15310 Aghia Paraskevi, Athens, Greece;

    Fusion Technology Group, National Centre for Scientific Research 'Demokritos', 15310 Aghia Paraskevi, Athens, Greece;

    Department of Fusion Plasma Physics, Royal Institute of Technology (KTH), 100 44 Stockholm, Sweden;

    Department of Fusion Plasma Physics, Royal Institute of Technology (KTH), 100 44 Stockholm, Sweden;

    Culham Centre for Fusion Energy, Abingdon, Oxfordshire 0X14 3DB, United Kingdom;

    Fusion Technology Group, National Centre for Scientific Research 'Demokritos', 15310 Aghia Paraskevi, Athens, Greece;

    Department of Physics, University of Athens, Zografou Campus, 15784, Athens, Greece;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    JET tokamak; divertor; ion beam analysis; electron microscopy; tungsten;

    机译：JET托卡马克偏滤器离子束分析;电子显微镜;钨;

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