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The microstructure of Nb 3 Sn superconductors differing in the number of copper inserts at various stages of heat treatment

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dc.contributor.authorKrylova, M. V.
dc.contributor.authorAbdyukhanov, I. M.
dc.contributor.authorTsapleva, A. S.
dc.contributor.authorMareev, K.
dc.contributor.authorDergunova, E. A.
dc.contributor.authorДергунова, Елена Александровна
dc.date.accessioned2024-11-21T08:44:30Z
dc.date.available2024-11-21T08:44:30Z
dc.date.issued2019
dc.description.abstract© 2019 Published under licence by IOP Publishing Ltd. Superconducting materials with a high critical current density in magnetic fields up to 16 T at a temperature of 4.2 K are required to create magnetic systems of high-energy physics devices. We have studied the change of the microstructure of model samples of various designs with an internal tin source, differing in the number of copper separators (three, six and without them) at different stages of heat treatment. The formation of the following intermediate phases was studied: Cu 3 Sn, Cu 6 Sn 5 and triple Cu-Sn-Nb phase after annealing at 370° C/100 h, by the use of scanning and transmission electron microscopy. The formation of the Nb 6 Sn 5 phase on Nb filaments located close to the tin source and copper separators was studied after heat treatment at a temperature of 665° C from 10 minutes to 25 hours. The results of the analysis led us to understand the kinetics of the Nb 3 Sn and Nb 6 Sn 5 formation in internal tin superconductors with an increased current-carrying capacity and a low level of hysteresis losses.
dc.identifier.citationThe microstructure of Nb 3 Sn superconductors differing in the number of copper inserts at various stages of heat treatment / Krylova, M.V. [et al.] // IOP Conference Series: Materials Science and Engineering. - 2019. - 502. - № 1. - 10.1088/1757-899X/502/1/012174
dc.identifier.doi10.1088/1757-899X/502/1/012174
dc.identifier.urihttps://www.doi.org/10.1088/1757-899X/502/1/012174
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85065996688&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000472778700174
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/18053
dc.relation.ispartofIOP Conference Series: Materials Science and Engineering
dc.titleThe microstructure of Nb 3 Sn superconductors differing in the number of copper inserts at various stages of heat treatment
dc.typeConference Paper
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume502
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