Behaviour of Si and Ti doped carbon composites under exposure to the deuterium plasma
Document identifier: oai:DiVA.org:ltu-7768
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10.1016/S0022-3115(98)00257-8Keyword: Natural Sciences,
Physical Sciences,
Other Physics Topics,
Naturvetenskap,
Fysik,
Annan fysikPublication year: 1998Relevant Sustainable Development Goals (SDGs):
The SDG label(s) above have been assigned by OSDG.aiAbstract: Studies of the deuterium interaction with carbon-based substrates were performed for graphite doped either with SiC or with TiC (5% or 10% of Si or Ti) and carbon fibre composites doped with SiC (2.5; 8; 40% of carbide). Non-doped CFC and graphite were used as reference materials. The materials were exposed to the deuterium plasma in a tokamak or in simulators of plasma-surface interactions. The main emphasis was on the determination of the deuterium retention in the near surface region and in the bulk of the composites. Characterisation of the non-exposed and deuterium irradiated substrates was accomplished by means of RBS, NRA, EDS, laser profilometry and ultra-high resolution microscopies. The most important observations are connected with the penetration of the deposited deuterium into the bulk of composites - even a few millimetres beneath the surface. The rate of the process was found to be related to the structure of materials and, to a certain extent, to the content of dopants.
Authors
M, Rubel
Alfvén Laboratory, Royal Institute of Technology, Association EURATOM -NFR
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Nils Almqvist
Luleå tekniska universitet; Materialvetenskap
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P. Wienhold
Institute of Plasma Physics, Forschungszentrum - Jülich, Association EURATOM
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C.H. Wu
NET Team, Max-Planck-Institute for Plasma Physics
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>>
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identifier: oai:DiVA.org:ltu-7768
datestamp: 2021-04-19T12:51:14Z
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10.1016/S0022-3115(98)00257-8
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titleInfo:
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lang: eng
title: Behaviour of Si and Ti doped carbon composites under exposure to the deuterium plasma
abstract: Studies of the deuterium interaction with carbon-based substrates were performed for graphite doped either with SiC or with TiC (5% or 10% of Si or Ti) and carbon fibre composites doped with SiC (2.5; 8; 40% of carbide). Non-doped CFC and graphite were used as reference materials. The materials were exposed to the deuterium plasma in a tokamak or in simulators of plasma-surface interactions. The main emphasis was on the determination of the deuterium retention in the near surface region and in the bulk of the composites. Characterisation of the non-exposed and deuterium irradiated substrates was accomplished by means of RBS NRA EDS laser profilometry and ultra-high resolution microscopies. The most important observations are connected with the penetration of the deposited deuterium into the bulk of composites - even a few millimetres beneath the surface. The rate of the process was found to be related to the structure of materials and to a certain extent to the content of dopants.
subject:
@attributes:
lang: eng
authority: uka.se
topic:
Natural Sciences
Physical Sciences
Other Physics Topics
@attributes:
lang: swe
authority: uka.se
topic:
Naturvetenskap
Fysik
Annan fysik
@attributes:
lang: swe
authority: ltu
topic: Fysik
genre: Research subject
@attributes:
lang: eng
authority: ltu
topic: Fysik
genre: Research subject
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languageTerm: eng
genre:
publication/journal-article
ref
note:
Published
4
Godkänd; 1998; 20070409 (ysko)
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Rubel
M
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roleTerm: aut
affiliation: Alfvén Laboratory Royal Institute of Technology Association EURATOM -NFR
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Almqvist
Nils
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Luleå tekniska universitet
Materialvetenskap
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nils
0000-0003-1646-569X
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Wienhold
P.
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roleTerm: aut
affiliation: Institute of Plasma Physics Forschungszentrum - Jülich Association EURATOM
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Wu
C.H.
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roleTerm: aut
affiliation: NET Team Max-Planck-Institute for Plasma Physics
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dateIssued: 1998
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titleInfo:
title: Journal of Nuclear Materials
identifier:
0022-3115
1873-4820
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type: volume
number: 258-263
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number: 1
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