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  • Assessment of erosion, deposition and fuel retention in the JET-ILW divertor from ion beam analysis data
    Catarino, N. ...
    Post-mortem analyses of individual components provide relevant information on plasma-surface interactions like tungsten erosion, beryllium deposition and plasma fuel retention with divertor tiles via ... implantation or co-deposition. Ion Beam techniques are ideal tools for such purposes and have been extensively used for post-mortem analyses of selected tiles from JET following each campaign. In this contribution results from tiles removed from the JET ITER-Like Wall (JET-ILW) divertor following the 2013-2014 campaign are presented. The results summarize erosion, deposition and fuel retention along the poloidal cross section of the divertor surface and provide data for comparison with the first JET-ILW campaign, showing a similar pattern of material migration with the exception of Tile 6 where the strike point time on the tile was similar to 4 times longer in 2013-2014 than in 2011-2012, which is likely to account for more material migration to this region. The W deposition on top of the Mo marker coating of Tile 4 shows that the enrichment takes place at the strike point location
    Source: Nuclear materials and energy [Elektronski vir]. - ISSN 2352-1791 (Vol. 12, 2017, str. 559-563)
    Type of material - e-article
    Publish date - 2017
    Language - english
    COBISS.SI-ID - 31132967
    DOI

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