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Smart alloys as armor material for DEMO: Overview of properties and joining to structural materials

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dc.contributor.authorKlein, F.
dc.contributor.authorTan, X.
dc.contributor.authorGonzalez-Julian, J.
dc.contributor.authorRasinski, M.
dc.contributor.authorLitnovsky, A.
dc.date.accessioned2024-11-29T11:17:50Z
dc.date.available2024-11-29T11:17:50Z
dc.date.issued2021
dc.description.abstract© 2021Tungsten test is currently the baseline first-wall armor material for a future DEMOnstration power plant. Smart alloys, containing tungsten (W), 11.4 weight (wt) % chromium (Cr), and 0.6 wt% yttrium (Y), aim at achieving passive safety in case of air ingress into the vacuum vessel and a loss-of-coolant accident causing a temperature rise above 1200 K for weeks. In such a case, smart alloys suppress oxidation and sublimation of radioactive W. This publication summarizes several important properties of smart alloys: the suppression of oxidation, the hardness as a function of the microstructure, and potential carbide formation in the presence of carbon (C) impurities. Further, first results on joining them to the EUROFER by field-assisted sintering technology (FAST) without interface layer are presented. In literature, FAST is also known as spark plasma sintering (SPS). A stable joint with an tungsten–iron (W–Fe) diffusion layer of 100 nm at the interface was achieved. The joint survived several heat cycles to 873 K.
dc.identifier.citationSmart alloys as armor material for DEMO: Overview of properties and joining to structural materials / Klein, F. [et al.] // Fusion Engineering and Design. - 2021. - 166. - 10.1016/j.fusengdes.2021.112272
dc.identifier.doi10.1016/j.fusengdes.2021.112272
dc.identifier.urihttps://www.doi.org/10.1016/j.fusengdes.2021.112272
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85100009889&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000640896300002
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23610
dc.relation.ispartofFusion Engineering and Design
dc.titleSmart alloys as armor material for DEMO: Overview of properties and joining to structural materials
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume166
relation.isOrgUnitOfPublicationdcdb137c-0528-46a5-841b-780227a67cce
relation.isOrgUnitOfPublication.latestForDiscoverydcdb137c-0528-46a5-841b-780227a67cce
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