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Nuclear micro-beam analysis of deuterium distribution in carbon fibre composites for controlled fusion devices
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.ORCID iD: 0000-0001-9901-6296
2010 (English)In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B, ISSN 0168-583X, Vol. 268, no 11-12, 1833-1837 p.Article in journal (Refereed) Published
Abstract [en]

Probes made of carbon fibre composite NB41 were exposed to deuterium plasmas in the TEXTOR tokamak and in a simulator of plasma-wall interactions, PISCES. The aim was to assess the deuterium retention and its lateral and depth distribution. The analysis was performed by means of D(He-3, p)4He and C-12(He-3, p)14N nuclear reactions analysis using a standard (1 mm spot) and micro-beam (20 mu m resolution). The measurements have revealed non uniform distribution of deuterium atoms in micro-regions: differences by a factor of 3 between the maximum and minimum deuterium concentrations. The differences were associated with the orientation and type of fibres for samples exposed in PICSES. For surface structure in the erosion zone of samples exposed to a tokamak plasma the micro-regions were more complex. Depth profiling has indicated migration of fuel into the bulk of materials.

Place, publisher, year, edition, pages
2010. Vol. 268, no 11-12, 1833-1837 p.
Keyword [en]
Nuclear reaction analysis, Micro-beam, Deuterium, Tokamak, Carbon composites
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-25562DOI: 10.1016/j.nimb.2010.02.024ISI: 000278702300031Scopus ID: 2-s2.0-77953325181OAI: oai:DiVA.org:kth-25562DiVA: diva2:370934
Conference
19th International Conference on Ion Beam Analysis Univ Cambridge, Cambridge, ENGLAND, SEP 07-11, 2009
Note
QC 20110214Available from: 2010-11-18 Created: 2010-10-27 Last updated: 2011-02-14Bibliographically approved

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Rubel, Marek J.

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CiteExportLink to record
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  • apa
  • harvard1
  • ieee
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  • vancouver
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  • de-DE
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  • nn-NB
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Output format
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