Journal Article

FZJ-2016-02292

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Progress on Performance Assessment of ITER Enhanced Heat Flux First Wall Technology after Neutron Irradiation

Hirai, T. (Corresponding author) ; Bao, L. ; Barabash, V. ; Chappuis, P. ; Eaton, R. ; Escourbiac, F. ; Giqcuel, S. ; Merola, M. ; Mitteau, R. ; Raffray, R. ; Linke, J.FZJ* ; Pintsuk, G.FZJ* ; Wirtz, M.FZJ* ; Boomstra, D. ; Magielsen, A. ; Chen, J. ; Wang, P.FZJ* ; Gervash, A. ; Safronov, V. ; Loewenhoff, T.FZJ*

2016
IoP Publ. Bristol

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Please use a persistent id in citations: doi:10.1088/0031-8949/T167/1/014072

Abstract: ITER first wall (FW) panels are irradiated by energetic neutrons during the nuclear phase. Thus, an irradiation and high heat flux testing programme is undertaken by the ITER organization in order to evaluate the effects of neutron irradiation on the performance of enhanced heat flux (EHF) FW components. The test campaign includes neutron irradiation (up to 0.6–0.8 dpa at 200 °C–250 °C) of mock-ups that are representative of the final EHF FW panel design, followed by thermal fatigue tests (up to 4.7 MW m−2). Mock-ups were manufactured by the same manufacturing process as proposed for the series production. After a pre-irradiation thermal screening, eight mock-ups will be selected for the irradiation campaigns. This paper reports the preparatory work of HHF tests and neutron irradiation, assessment results as well as a brief description of mock-up manufacturing and inspection routes.

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Contributing Institute(s):

1. Werkstoffstruktur und -eigenschaften (IEK-2)

Research Program(s):

1. 174 - Plasma-Wall-Interaction (POF3-174) (POF3-174)
2. HITEC - Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) (HITEC-20170406) (HITEC-20170406)

Appears in the scientific report 2016

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Database coverage:
Current Contents - Physical, Chemical and Earth Sciences ; National-Konsortium ; Nationallizenz ; No Authors Fulltext ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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