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Plasma sprayed tungsten-based coatings and their performance under fusion relevant conditions
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SYSNO ASEP 0027629 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Plasma sprayed tungsten-based coatings and their performance under fusion relevant conditions Tvůrce(i) Matějíček, Jiří (UFP-V) RID, ORCID
Koza, Y. (DE)
Weinzettl, Vladimír (UFP-V) RID, ORCIDZdroj.dok. Fusion Engineering and Design. - : Elsevier - ISSN 0920-3796
75-79, č. 0 (2005), s. 395-399Poč.str. 5 s. Forma vydání web - web Akce Symposium of Fusion Technology/23rd./ Datum konání 20.9.2004-24.9.2004 Místo konání Venice Země IT - Itálie Typ akce WRD Jazyk dok. eng - angličtina Země vyd. CH - Švýcarsko Klíč. slova plasma spraying ; tungsten ; plasma facing components Vědní obor RIV JG - Hutnictví, kovové materiály CEZ AV0Z20430508 - UFP-V (2005-2011) UT WOS 000234072100068 DOI https://doi.org/10.1016/j.fusengdes.2005.06.006 Anotace Tungsten is a candidate material for plasma facing components for ITER and other fusion devices. Plasma spraying is among prospective fabrication technologies, thanks to its ability to coat large areas and the possibility to repair damaged parts. This paper reports on the development of tungsten-based plasma sprayed coatings and their behavior under high heat fluxes and in tokamak plasma. Several tungsten-based coatings were produced using water stabilized plasma spraying. Their basic properties (structure, composition, etc.) were characterized. Their behavior under high temperature plasma conditions was investigated at the small-size CASTOR tokamak. The samples were inserted into plasma at various radii and exposed by standard plasma discharges. Main plasma parameters, impurity radiation and specimen temperature evolution were observed. Only a local influence of the tungsten presence was found; no significant erosion was observed. Pracoviště Ústav fyziky plazmatu Kontakt Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Rok sběru 2012
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