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Ion Radiation Impact on Microstructure and Mechanical Properties of W-6Re Alloy at 500 degrees C

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dc.contributor.authorNikitin, A. А.
dc.contributor.authorBobyr, N. P.
dc.contributor.authorRogozhkin, S. V.
dc.contributor.authorFedin, P. A.
dc.contributor.authorНикитин, Александр Александрович
dc.contributor.authorРогожкин, Сергей Васильевич
dc.date.accessioned2024-11-27T16:53:56Z
dc.date.available2024-11-27T16:53:56Z
dc.date.issued2020
dc.description.abstractThe paper reports the results of the ion irradiation impact on a monocrystalline tungsten alloy, W-6Re. This material is considered for use in the design of fusion reactors. Irradiation was carried out in order to simulate radiation effects and analyze the radiation resistance of the fusion reactor material. Specimens were irradiated with 5.6 MeV Fe ions at 500 degrees C up to a maximum damage dose of 8 dpa. Microstructure of W-6Re was analyzed before and after irradiation. It is shown with transmission electron microscopy that the formation of structural defects, dislocation loops with sizes of 2-15 nm and a number density of 1.2 x 10(23) m(-3) occurs as a result of irradiation. Detailed analysis by atomic probe tomography microscope revealed the decomposition of the solid solution with the formation of nanoscale segregations enriched in rhenium by 18 at %. The radiation-induced hardening of the irradiated layer is determined by nanoindentation. The strength increment was 1.6 GPa.
dc.format.extentС. 1638-1643
dc.identifier.citationIon Radiation Impact on Microstructure and Mechanical Properties of W-6Re Alloy at 500 degrees C / Nikitin, AA [et al.] // PHYSICS OF ATOMIC NUCLEI. - 2020. - 83. - № 12. - P. 1638-1643. - 10.1134/S1063778820120054
dc.identifier.doi10.1134/S1063778820120054
dc.identifier.urihttps://www.doi.org/10.1134/S1063778820120054
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000626665000005
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23170
dc.relation.ispartofPHYSICS OF ATOMIC NUCLEI
dc.titleIon Radiation Impact on Microstructure and Mechanical Properties of W-6Re Alloy at 500 degrees C
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue12
oaire.citation.volume83
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