The influence of cooling rates on microstructure and mechanical properties of Bi1,6Pb0,4Sr2Ca2Cu 3Oy superconductors

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dc.authorid0000-0003-0622-3355
dc.authorid0000-0002-0391-5551
dc.authorid0000-0002-3944-0367
dc.contributor.authorÇetinkara, Hacı Ali
dc.contributor.authorYılmazlar, Mustafa
dc.contributor.authorÖztürk, Özgür
dc.contributor.authorNursoy, Mustafa
dc.contributor.authorTerzioğlu, Cabir
dc.date.accessioned2021-06-23T18:52:14Z
dc.date.available2021-06-23T18:52:14Z
dc.date.issued2009
dc.departmentBAİBÜ, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.description.abstractWe investigated the effect of cooling rates on the microstructure and mechanical properties of Bi1,6Pb0,4Sr2Ca 2Cu3Oy superconductors prepared by standard solid state reaction methods. The samples were annealed under identical condition and cooled with different cooling rates. The investigations consisted of Vickers microhardness, SEM and XRD measurements. XRD examination of the samples showed that high percentage of Bi-2212 phase was observed and low-T c phase increased with increasing the cooling rates. From SEM analysis, flake-like grains were more pronounced with increasing cooling rates. The indentation load versus diagonal length of the samples under different indentation loads in the range of 0.245-2.940 N were presented. We calculated Vickers hardness, Young's modulus, yield strength, fracture toughness values. These mechanical properties of the samples were found to be load and cooling rate dependent. In addition, we calculated the load independent microhardness, Young's modulus, and yield strength and fracture toughness of the samples using different models. The possible reasons for the observed changes in microstructure and mechanical properties of the samples due to cooling rates were discussed. © 2009 IOP Publishing Ltd.en_US
dc.identifier.doi10.1088/1742-6596/153/1/012038
dc.identifier.issn1742-6588
dc.identifier.scopus2-s2.0-65749085329en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://doi.org/10.1088/1742-6596/153/1/012038
dc.identifier.urihttps://hdl.handle.net/20.500.12491/4175
dc.identifier.volume153en_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorNursoy, Mustafa
dc.institutionauthorTerzioğlu, Cabir
dc.language.isoenen_US
dc.publisherInstitute of Physics Publishingen_US
dc.relation.ispartofJournal of Physics: Conference Seriesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectMicrostructureen_US
dc.subjectSuperconductors
dc.subjectMechanical
dc.subject
dc.titleThe influence of cooling rates on microstructure and mechanical properties of Bi1,6Pb0,4Sr2Ca2Cu 3Oy superconductorsen_US
dc.typeArticleen_US

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