Number of the records: 1
Cold Sprayed Tungsten Armor for Tokamak First Wall
- 1.
SYSNO ASEP 0521654 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Cold Sprayed Tungsten Armor for Tokamak First Wall Author(s) Čížek, Jan (UFP-V) ORCID
Vilémová, Monika (UFP-V) RID, ORCID
Lukáč, František (UFP-V) ORCID
Koller, M. (CZ)
Kondás, J. (CZ)
Singh, R. (IN)Number of authors 6 Article number 836 Source Title Coatings. - : MDPI
Roč. 9, č. 12 (2019)Number of pages 15 s. Language eng - English Country CH - Switzerland Keywords matrix composite coatings ; sliding wear behavior ; erosion performance ; microstructure characterization ; deposition behavior ; formation mechanism ; wc ; particles ; fabrication ; interface ; cold gas kinetic spray ; W-Cr ; W alloys ; oxidation shield ; nuclear fusion ; thick coatings ; self-passivation ; pfc ; plasma facing components OECD category Materials engineering R&D Projects GA17-23154S GA ČR - Czech Science Foundation (CSF) GA17-13573S GA ČR - Czech Science Foundation (CSF) Method of publishing Open access Institutional support UFP-V - RVO:61389021 UT WOS 000506682800065 EID SCOPUS 85078074035 DOI 10.3390/coatings9120836 Annotation Harnessing nuclear fusion is a challenging task, in particular because of the demands put on the used materials. In tokamaks, future energy sources, the inner-most chambers are to be coated with dense coatings of W, or W-Cr-based alloys. So far, the attempts for such coatings formation by other methods failed due to oxidation, high porosity, insufficient adhesion, high specific surface, or even insufficient thickness below 10 mu m. Cold spraying seems a promising technology for the task. In our study, we demonstrate the first successful fabrication of thick pure W coatings. W-Cr and W-Cr-Ti coatings were further prepared without oxidation of the metals. All coatings exhibited high hardness levels, good interface quality with three tested substrates and, importantly, a promising potential for formation of stable Cr2WOx phases. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2020 Electronic address https://www.mdpi.com/2079-6412/9/12/836
Number of the records: 1