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Atmospheric plasma spraying of functionally graded steel/tungsten layers for the first wall of future fusion reactors
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SYSNO ASEP 0503654 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Atmospheric plasma spraying of functionally graded steel/tungsten layers for the first wall of future fusion reactors Author(s) Heuer, S. (DE)
Matějíček, Jiří (UFP-V) RID, ORCID
Vilémová, Monika (UFP-V) RID, ORCID
Koller, Martin (UT-L) ORCID
Illková, Ksenia (UFP-V)
Veverka, Jakub (UFP-V) ORCID
Weber, T. (DE)
Pintsuk, G. (DE)
Coenen, J.W. (DE)
Linsmeier, Ch. (DE)Number of authors 10 Source Title Surface and Coatings Technology. - : Elsevier - ISSN 0257-8972
Roč. 366, 25 May 2019 (2019), s. 170-178Number of pages 9 s. Publication form Online - E Language eng - English Country NL - Netherlands Keywords Atmospheric plasma spraying (APS) ; demo ; First wall ; Functionally graded materials (FGM) ; Nuclear fusion ; Tungsten-steel composite materials Subject RIV JI - Composite Materials OECD category Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics Subject RIV - cooperation Institute of Thermomechanics - Composite Materials R&D Projects GA17-13573S GA ČR - Czech Science Foundation (CSF) GA17-23154S GA ČR - Czech Science Foundation (CSF) Method of publishing Limited access Institutional support UFP-V - RVO:61389021 ; UT-L - RVO:61388998 UT WOS 000465366400021 EID SCOPUS 85063165136 DOI 10.1016/j.surfcoat.2019.03.017 Annotation Functionally graded steel/tungsten layers may be used as interlayers in the first wall of future fusion reactors to balance thermally-induced stress peaks in the steel‑tungsten joint. In this work, a modified water-stabilized atmospheric plasma spraying set-up is used to deposit uniform and functionally graded steel/tungsten coatings at elevated substrate temperatures. Uniform coatings were used to characterise individual sublayers of graded coatings in detail. The thermal expansion, thermal conductivity, Young's modulus and yield strength of the layers are promising for the application in steel‑tungsten joints and can be explained by microstructural observations. Only at a substrate preheating temperature of 900 °C the formation of intermetallic precipitates during deposition was observed. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2020 Electronic address https://www.sciencedirect.com/science/article/pii/S0257897219302701?via%3Dihub
Number of the records: 1