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Segregation of Alloying Elements on Small-Angle Grain Boundaries in Ferritic-Martensitic Steels under Ion Irradiation

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dc.contributor.authorIskandarov, N. A.
dc.contributor.authorNikitin, A. A.
dc.contributor.authorKhomich, A. A.
dc.contributor.authorKhoroshilov, V. V.
dc.contributor.authorRogozhkin, S. V.
dc.contributor.authorPotekhin, A. A.
dc.contributor.authorZaluzhnyi, A. G.
dc.contributor.authorРогожкин, Сергей Васильевич
dc.contributor.authorЗалужный, Александр Георгиевич
dc.date.accessioned2024-11-27T08:50:20Z
dc.date.available2024-11-27T08:50:20Z
dc.date.issued2020
dc.description.abstract© 2020, Pleiades Publishing, Ltd.Abstract: Segregation of chemical elements was studied in ferritic-martensitic steels RUSFER-EK-181 and ChS-139—promising structural materials for fast neutron reactor core. To simulate the radiation effects, Fe ions with an energy of 5.6 MeV at temperatures of 250–400°C to damage doses of ~6 dpa and at temperatures of 350–450°C to a damage dose of 30 dpa were used. RUSFER-EK-181 steel was also studied after thermal aging at 450°C for 5000 h. Z-contrast analysis of the irradiated steels revealed the segregation of alloying elements on dislocations at small-angle tilt and mixed grain boundaries. Atom probe tomography of the ion-irradiated ChS-139 steel showed that clusters enriched in Ni, Si, and Mn were formed on the dislocations, including dislocations of small-angle grain boundaries. Clusters enriched in Si were formed on dislocations in the RUSFER-EK-181 steel. In the aged state of RUSFER-EK-181 steel, segregation of Cr, V, Mn, Si, and N was shown at dislocations of the small-angle grain boundary. The calculated misorientation angles of the small-angle grain boundaries were ~1°–3°, and the twist angle of the mixed boundary was ~3°.
dc.format.extentС. 1103-1109
dc.identifier.citationSegregation of Alloying Elements on Small-Angle Grain Boundaries in Ferritic-Martensitic Steels under Ion Irradiation / Iskandarov, N.A. [et al.] // Inorganic Materials: Applied Research. - 2020. - 11. - № 5. - P. 1103-1109. - 10.1134/S2075113320050275
dc.identifier.doi10.1134/S2075113320050275
dc.identifier.urihttps://www.doi.org/10.1134/S2075113320050275
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85092597635&origin=resultslist
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/22464
dc.relation.ispartofInorganic Materials: Applied Research
dc.titleSegregation of Alloying Elements on Small-Angle Grain Boundaries in Ferritic-Martensitic Steels under Ion Irradiation
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue5
oaire.citation.volume11
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relation.isAuthorOfPublication812a2ea3-bfc9-4ab2-9658-56ece368a4c8
relation.isAuthorOfPublication.latestForDiscovery339ead5b-5bac-40ad-9ff1-54311a771be1
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