Superconducting and Vickers hardness properties of ZnO-added YBCO polycrystalline superconductors

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dc.contributor.authorKolemen, U
dc.contributor.authorCelebi, S
dc.contributor.authorKaral, H
dc.contributor.authorOzturk, A
dc.contributor.authorCevik, U
dc.contributor.authorNezir, S
dc.contributor.authorGorur, O
dc.date.accessioned2020-06-25T17:40:11Z
dc.date.available2020-06-25T17:40:11Z
dc.date.issued2004
dc.departmentKırıkkale Üniversitesi
dc.description.abstractThe effects of ZnO addition on the microstructure and mechanical properties of the YBCO have been investigated through XRD, SEM, EDX, ac susceptibility measurements and the standard Vickers micro-hardness testing method. We have prepared the samples by a conventional solid-state reaction method and used an additive method for the YBCO system (0, 0.5 and 1 wt% of ZnO). The orthorhombic strain Delta = (b - a)/(b + a) increases as the Zn content increases, where a and b are the relevant lattice parameters of the samples. The superconducting transition temperatures and hardness depend on the Zn content of the samples. The hardness is found to be load dependent. From the relation between applied load F and the square of the impression diagonal, d(2), the true hardness, H-0, and the dissipative portion of the indentation load F-0, were derived from the slope and the intercept (at d(2) = 0) of the straight line, respectively. The hardness was increased while the transition temperature decreased with the amount of ZnO addition to YBCO.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1002/pssb.200301919
dc.identifier.endpage283en_US
dc.identifier.issn0370-1972
dc.identifier.issn1521-3951
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-2942564827
dc.identifier.scopusqualityQ3
dc.identifier.startpage274en_US
dc.identifier.urihttps://doi.org/10.1002/pssb.200301919
dc.identifier.urihttps://hdl.handle.net/20.500.12587/3334
dc.identifier.volume241en_US
dc.identifier.wosWOS:000188980200003
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley-V C H Verlag Gmbhen_US
dc.relation.ispartofPhysica Status Solidi B-Basic Solid State Physics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.titleSuperconducting and Vickers hardness properties of ZnO-added YBCO polycrystalline superconductorsen_US
dc.typeArticle

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