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Deuterium retention in W-Ta alloys after low-temperature plasma irradiation and gas exposure

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dc.contributor.authorBobyr, N. P.
dc.contributor.authorEfimov, V. S.
dc.contributor.authorKhripunov, B. I.
dc.contributor.authorKozlov, D. A.
dc.contributor.authorЕфимов, Виталий Сергеевич
dc.date.accessioned2024-11-30T00:34:14Z
dc.date.available2024-11-30T00:34:14Z
dc.date.issued2021
dc.description.abstractIn this study plates of W, W-xTa alloys (x = 1; 3; 5 concentration in at.%) with a large grain size were used as experimental samples. All the samples were polished to a mirror surface and outgassed in vacuum at 1100 K during 2 h. Sets of W, W-1Ta, W-3Ta, W-5Ta samples were irradiated with low-temperature D plasma up to fluences of 2e25 D m(-2). Other sets of W, W-1Ta, W-3Ta, W-5Ta samples were exposed in D-2 gas in a temperature range of 425 divided by 625 K and pressure 10(3) Pa. The D retention in W and W-Ta alloys was measured by thermal desorption spectroscopy (TDS). An influence of Ta dopant on deuterium retention in W was observed. The dopant of tantalum slightly reduces the accumulation of deuterium in tungsten during gas exposure. Increasing temperature of samples during D-plasma irradiation from 415 K to 615 K reduces deuterium retention up to 2 orders of magnitude.
dc.identifier.citationDeuterium retention in W-Ta alloys after low-temperature plasma irradiation and gas exposure / Bobyr, NP [et al.] // Physica Scripta. - 2021. - 96. - № 12. - 10.1088/1402-4896/ac3ea4
dc.identifier.doi10.1088/1402-4896/ac3ea4
dc.identifier.urihttps://www.doi.org/10.1088/1402-4896/ac3ea4
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85122986967&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000728945500001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/25103
dc.relation.ispartofPhysica Scripta
dc.titleDeuterium retention in W-Ta alloys after low-temperature plasma irradiation and gas exposure
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue12
oaire.citation.volume96
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