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Fuel re-absorption ...
Fuel re-absorption by thermally treated co-deposited carbon layers
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- Ivanova, Darya (författare)
- KTH,Fusionsplasmafysik
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- Rubel, Marek (författare)
- KTH,Fusionsplasmafysik
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- Philipps, Volker (författare)
- Institute for Energy and Climate Research, Plasma Physics, Forschungszentrum Jülich
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- Schweer, Bernd (författare)
- Institute for Energy and Climate Research, Plasma Physics, Forschungszentrum Jülich
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- Petersson, Per (författare)
- Uppsala universitet,Institutionen för fysik och astronomi,Jonfysik
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- Freisinger, Michaele (författare)
- Institute for Energy and Climate Research, Plasma Physics, Forschungszentrum Jülich
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- Schmidt, Axel (författare)
- Institute for Energy and Climate Research, Plasma Physics, Forschungszentrum Jülich
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(creator_code:org_t)
- Institute of Physics Publishing (IOPP), 2011
- 2011
- Engelska.
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Ingår i: Physica Scripta. - : Institute of Physics Publishing (IOPP). - 0031-8949 .- 1402-4896. ; T145, s. 014006-
- Relaterad länk:
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http://iopscience.io...
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https://kth.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Systematic studies have been conducted to address the fuel re-absorption by carbon deposits under repeated exposure to plasma after cleaning procedures. The investigation was done with graphite tiles from ALT-II (Advanced Limiter Test II), i.e. the main limiter at the TEXTOR tokamak. Pure graphite plates were used as the reference material. The experimental programme comprised the following: pre-characterization of specimens; D desorption by baking the tile at 1273 K; surface analyses of the fuel-depleted layers; exposure to deuterium in a laboratory plasma device and in TEXTOR; and quantitative assessment of deuterium re-absorption. The main result is that fuel retention in the re-exposed deposits is 30–40 times lower than that in the original co-deposit, showing that fuel re-absorption does not lead to an immediate re-saturation of deposits. Annealing at high temperatures enhances layer brittleness, leading eventually to detachment of co-deposits.
Ämnesord
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- co-deposited layers
- plasma-facing components
- carbon
- erosion
- deposition
- fuel retention
- re-absorption
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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