Analysis of deposited layers with deuterium and impurity elements on samples from the divertor of JET with ITER-like wall
文献类型:期刊论文
作者 | Strom, P.80; Petersson, P.80; Rubel, M.80; Fortuna-Zalesna, E.79; Widdowson, A.78; Sergienko, G.77; Litaudon, X.102; Abduallev, S.98; Abhangi, M.91; Abreu, P.84 |
刊名 | JOURNAL OF NUCLEAR MATERIALS |
出版日期 | 2019-04-01 |
卷号 | 516期号:无页码:202-213 |
ISSN号 | 0022-3115 |
关键词 | Fusion Tokamak Plasma-wall interactions ToF-ERDA NRA SEM |
DOI | 10.1016/j.jnucmat.2018.11.027 |
英文摘要 | Inconel-600 blocks and stainless steel covers for quartz microbalance crystals from remote corners in the JET-ILW divertor were studied with time-of-flight elastic recoil detection analysis and nuclear reaction analysis to obtain information about the areal densities and depth profiles of elements present in deposited material layers. Surface morphology and the composition of dust particles were examined with scanning electron microscopy and energy-dispersive X-ray spectroscopy. The analysed components were present in JET during three ITER-like wall campaigns between 2010 and 2017. Deposited layers had a stratified structure, primarily made up of beryllium, carbon and oxygen with varying atomic fractions of deuterium, up to more than 20%. The range of carbon transport from the ribs of the divertor carrier was limited to a few centimeters, and carbon/deuterium co-deposition was indicated on the Inconel blocks. High atomic fractions of deuterium were also found in almost carbon-free layers on the quartz microbalance covers. Layer thicknesses up to more than 1 mu m were indicated, but typical values were on the order of a few hundred nm. Chromium, iron and nickel fractions were less than or around 1% at layer surfaces while increasing close to the layer-substrate interface. The tungsten fraction depended on the proximity of the plasma strike point to the divertor corners. Particles of tungsten, molybdenum and copper with sizes less than or around 1 mu m were found. Nitrogen, argon and neon were present after plasma edge cooling and disruption mitigation. Oxygen-18 was found on component surfaces after injection, indicating in-vessel oxidation. Compensation of elastic recoil detection data for detection efficiency and ion-induced release of deuterium during the measurement gave quantitative agreement with nuclear reaction analysis, which strengthens the validity of the results. Crown Copyright (C) 2018 Published by Elsevier B.V. All rights reserved. |
WOS关键词 | OXIDATION ; RELEASE ; SECTION |
资助项目 | Euratom research and training programme[633053] ; Swedish Foundation for Strategic Research[RIF14-0053] ; Swedish Council for Research Infrastructures (VR-RFI)[821-2012-5144] ; Swedish Research Council[2015-04884] ; Swedish Research Council[2017-00643] |
WOS研究方向 | Materials Science ; Nuclear Science & Technology |
语种 | 英语 |
出版者 | ELSEVIER SCIENCE BV |
WOS记录号 | WOS:000458897100020 |
资助机构 | Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme ; Euratom research and training programme ; Swedish Foundation for Strategic Research ; Swedish Foundation for Strategic Research ; Swedish Foundation for Strategic Research ; Swedish Foundation for Strategic Research ; Swedish Foundation for Strategic Research ; Swedish Foundation for Strategic Research ; Swedish Foundation for Strategic Research ; Swedish Foundation for Strategic Research ; Swedish Council for Research Infrastructures (VR-RFI) ; Swedish Council for Research Infrastructures (VR-RFI) ; Swedish Council for Research Infrastructures (VR-RFI) ; Swedish Council for Research Infrastructures (VR-RFI) ; Swedish Council for Research Infrastructures (VR-RFI) ; Swedish Council for Research Infrastructures (VR-RFI) ; 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源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/42120] |
专题 | 合肥物质科学研究院_中科院等离子体物理研究所 |
通讯作者 | Strom, P. |
作者单位 | 1.CIEMAT, Lab Nacl Fus, Madrid, Spain 2.Lithuanian Energy Inst, Breslaujos G 3, LT-44403 Kaunas, Lithuania 3.Lviv Polytech Natl Univ, Magnet Sensor Lab, Lvov, Ukraine 4.Maritime Univ Szczecin, Waly Chrobrego 1-2, PL-70500 Szczecin, Poland 5.Max Planck Inst Plasma Phys, D-85748 Garching, Germany 6.Max Planck Inst Plasma Phys, D-17491 Greifswald, Germany 7.MIT, Plasma Sci & Fus Ctr, 77 Massachusetts Ave, Cambridge, MA 02139 USA 8.Natl Ctr Nucl Res NCBJ, PL-05400 Otwock, Poland 9.NFRI, 169-148 Gwahak Ro, Daejeon 305806, South Korea 10.Natl Inst Fus Sci, Toki, Gifu 5095292, Japan |
推荐引用方式 GB/T 7714 | Strom, P.,Petersson, P.,Rubel, M.,et al. Analysis of deposited layers with deuterium and impurity elements on samples from the divertor of JET with ITER-like wall[J]. JOURNAL OF NUCLEAR MATERIALS,2019,516(无):202-213. |
APA | Strom, P..,Petersson, P..,Rubel, M..,Fortuna-Zalesna, E..,Widdowson, A..,...&Sergienko, G..(2019).Analysis of deposited layers with deuterium and impurity elements on samples from the divertor of JET with ITER-like wall.JOURNAL OF NUCLEAR MATERIALS,516(无),202-213. |
MLA | Strom, P.,et al."Analysis of deposited layers with deuterium and impurity elements on samples from the divertor of JET with ITER-like wall".JOURNAL OF NUCLEAR MATERIALS 516.无(2019):202-213. |
入库方式: OAI收割
来源:合肥物质科学研究院
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