Publication:
Distribution of Alloying Element Atoms between γ- and γ'-Phase Particles in a Heat-Resistant Nickel Alloy

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dc.contributor.authorBer, L. B.
dc.contributor.authorKhomich, A. A.
dc.contributor.authorRogozhkin, S. V.
dc.contributor.authorZaluzhnyi, A. G.
dc.contributor.authorРогожкин, Сергей Васильевич
dc.contributor.authorЗалужный, Александр Георгиевич
dc.date.accessioned2024-12-26T10:26:23Z
dc.date.available2024-12-26T10:26:23Z
dc.date.issued2022
dc.description.abstract© 2022, Pleiades Publishing, Ltd.Abstract: Results of the study of the chemical composition of contacting γ- and γ'-phase particles in a granular heat-resistant nickel alloy (HNA) VV751P (Ni–15Co–12Cr–0.7V–0.3C–0.9W–2.7Mo–3.4Ti–2.0Nb–8.3Al–0.02Hf–0.008B, at %) by atom probe tomography are analyzed. Experimental and literature data on the preferential location of alloying elements in γ- and γ'-phase particles in different heat-resistant nickel alloys are considered. A criterion for the characterization of each of elements based on the ratio K = Еv/r2 (where Еv is the number of valence electrons and r is the atomic radius of an element) is suggested. It is shown that the higher the K value, the more probable the enrichment of γ-phase particles in this element and the higher the degree of such an enriching. The lower the K value, the more probable the enrichment of γ'‑phase particles in this element and the higher the degree of such an enriching. The effect of γ- and γ'-forming elements in heat-resistant nickel alloys and other factors on the stability of the γ- and γ' phases, mechanical characteristics of disc heat-resistant nickel alloys at room temperature, and long-term strength at operating temperatures is discussed.
dc.format.extentС. 163-177
dc.identifier.citationDistribution of Alloying Element Atoms between γ- and γ'-Phase Particles in a Heat-Resistant Nickel Alloy / Ber, L.B. [et al.] // Physics of Metals and Metallography. - 2022. - 123. - № 2. - P. 163-177. - 10.1134/S0031918X22020028
dc.identifier.doi10.1134/S0031918X22020028
dc.identifier.urihttps://www.doi.org/10.1134/S0031918X22020028
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85127374630&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000775009800006
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/28926
dc.relation.ispartofPhysics of Metals and Metallography
dc.titleDistribution of Alloying Element Atoms between γ- and γ'-Phase Particles in a Heat-Resistant Nickel Alloy
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue2
oaire.citation.volume123
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