Cold Sprayed Tungsten Armor for Tokamak First Wall

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dc.contributor.authorČížek, Jancs
dc.contributor.authorVilémová, Monikacs
dc.contributor.authorLukáč, Františekcs
dc.contributor.authorKoller, Martincs
dc.contributor.authorKondas, Jancs
dc.contributor.authorSingh, Reetics
dc.coverage.issue12cs
dc.coverage.volume9cs
dc.date.accessioned2020-08-04T11:03:14Z
dc.date.available2020-08-04T11:03:14Z
dc.date.issued2019-12-07cs
dc.description.abstractHarnessing 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.en
dc.formattextcs
dc.format.extent1-15cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationCoatings, MDPI. 2019, vol. 9, issue 12, p. 1-15.en
dc.identifier.doi10.3390/coatings9120836cs
dc.identifier.issn2079-6412cs
dc.identifier.other163555cs
dc.identifier.urihttp://hdl.handle.net/11012/188998
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofCoatings, MDPIcs
dc.relation.urihttps://www.mdpi.com/2079-6412/9/12/836cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2079-6412/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectcold gas kinetic sprayen
dc.subjectW-Cren
dc.subjectW alloysen
dc.subjectoxidation shielden
dc.subjectnuclear fusionen
dc.subjectthick coatingsen
dc.subjectself-passivationen
dc.subjectPFCen
dc.subjectplasma facing componentsen
dc.titleCold Sprayed Tungsten Armor for Tokamak First Wallen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-163555en
sync.item.dbtypeVAVen
sync.item.insts2020.08.04 13:03:14en
sync.item.modts2020.08.04 12:44:28en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav materiálových věd a inženýrstvícs
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