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Co-deposited layers...
Co-deposited layers in the divertor region of JET-ILW
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- Petersson, Per (author)
- KTH,Fusionsplasmafysik
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- Rubel, Marek (author)
- KTH,Fusionsplasmafysik
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Esser, H. G. (author)
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Likonen, J. (author)
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Koivuranta, S. (author)
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Widdowson, A. (author)
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(creator_code:org_t)
- Elsevier BV, 2015
- 2015
- English.
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In: Journal of Nuclear Materials. - : Elsevier BV. - 0022-3115 .- 1873-4820. ; 463, s. 814-817
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Tungsten-coated carbon tiles from a poloidal cross-section of the divertor and several types of erosion deposition probes from the shadowed areas in the divertor were studied using heavy ion elastic recoil detection to obtain quantitative and depth-resolved deposition patterns. Deuterium, beryllium, carbon, nitrogen and oxygen along with tungsten and Inconel components are the main species detected in the studied surface region. The top of Tile 1 in the inner divertor is the main deposition area where the greatest amounts of deposited species are measured. Beryllium and tungsten-containing deposits on the probes (test mirrors and quartz microbalance) indicate that both low-Z and high-Z metals are transported to remote areas. Deposition of nitrogen-15 tracer used for edge cooling only at the end of experimental campaigns in 2012 was also detected giving evidence that nitrogen is effectively retained in wall components.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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