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Two-Way Shape Memory Effect in Rapidly-Quenched High-Copper TiNiCu Alloys Deformed in the Martensitic State

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dc.contributor.authorShelyakov, A. V.
dc.contributor.authorSitnikov, N. N.
dc.contributor.authorBorodako, K. A.
dc.contributor.authorSevryukov, O. N.
dc.contributor.authorШеляков, Александр Васильевич
dc.contributor.authorСитников, Николай Николаевич
dc.contributor.authorБородако, Кирилл Анатольевич
dc.contributor.authorСеврюков, Олег Николаевич
dc.date.accessioned2024-11-26T12:48:09Z
dc.date.available2024-11-26T12:48:09Z
dc.date.issued2020
dc.description.abstract© 2020, Pleiades Publishing, Ltd.Abstract: The effect of martensitic deformation on the two-way shape-memory effect (SME) of quasi-binary high-copper TiNi–TiCu alloys (with 25–40 at % Cu) is studied. The alloys are prepared by rapid quenching from the melt in an amorphous state in the form of ribbons 30–50 μm in thickness. The alloys crystallize during isothermal annealing, the time of which is varied from 100 to 300 s, and during a single current pulse 10 ms in duration. The relatively low bending strains (1.5–3%) are shown to cause two-way SME in TiNiCu alloys; as the strain of martensite increases, the reversible strain in the martensitic transformation range increases markedly. An increase in the copper content is found to cause a substantial decrease in the value of two-way SME, which is related to the formation of the brittle TiCu phase. At the same time, a decrease in the heat treatment time causes an increase in the reversible strain, which reaches the maximum value (2.35%) for the alloy with 25 at % Cu subjected to high-rate electric pulse treatment.
dc.format.extentС. 345-350
dc.identifier.citationTwo-Way Shape Memory Effect in Rapidly-Quenched High-Copper TiNiCu Alloys Deformed in the Martensitic State / Shelyakov, A.V. [et al.] // Russian Metallurgy (Metally). - 2020. - 2020. - № 4. - P. 345-350. - 10.1134/S0036029520040278
dc.identifier.doi10.1134/S0036029520040278
dc.identifier.urihttps://www.doi.org/10.1134/S0036029520040278
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85084378685&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000531025100012
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/21644
dc.relation.ispartofRussian Metallurgy (Metally)
dc.titleTwo-Way Shape Memory Effect in Rapidly-Quenched High-Copper TiNiCu Alloys Deformed in the Martensitic State
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue4
oaire.citation.volume2020
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