The significant influence of packing density of unreacted Mg+2B mixture and heat treatment conditions on some of critical parameters for MgB2/Fe wires

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dc.authorid0000-0001-8168-3242en_US
dc.authorid0000-0002-9810-2659en_US
dc.authorid0000-0003-2276-6747en_US
dc.authorid0000-0003-3183-7017en_US
dc.contributor.authorGajda, Daniel
dc.contributor.authorZaleski, Andrzej Janusz
dc.contributor.authorMorawski, Andrzej
dc.contributor.authorCzujko‬, ‪Tomasz
dc.contributor.authorAvcı, Doğan
dc.contributor.authorKaraboğa, Fırat
dc.contributor.authorAkdoğan, Mustafa
dc.contributor.authorYetiş, Hakan
dc.contributor.authorBelenli, İbrahim
dc.date.accessioned2023-06-13T12:53:22Z
dc.date.available2023-06-13T12:53:22Z
dc.date.issued2021en_US
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.descriptionThis work was supported by Institute of Low Temperature and Structure Research, PAS and the Institute of High Pressure Physics, PAS. The wire samples of this work have been fabricated with the financial support from TUBITAK (The Scientific and Technological Research Council of Turkey) under the grant number of 217M665.en_US
dc.description.abstractOur research show that the higher packing density of the unreacted material (Mg +2B) by 8%, especially for Mg in the solid state, allows to eliminate the large number of large voids (20 mu m), improves the homogeneity and density of the MgB2 superconducting material, allows to obtain a greater number and longer lengths of connections between MgB2 grains, eliminates the formation of the intermetallic phase (iron borides), allows to obtain MgB2 grains of a uniform size and shape, increase irreversible magnetic field (Birr), critical temperature (T-c) and upper magnetic field (B-c2). Research show that spherical grains significantly reduce the number of inter-grain connections in the material with low and high density of unreacted material and allows to obtain the more superconducting phase. Research shows that MgB2 grains with a plate-like and rectangular shape allow to obtain more connections between the grains. Studies show that thermal treatment under high iso-static pressure does not allow to obtain the large amount of superconducting phase for the unreacted material of low density. Moreover, studies show that the high packing density of unreacted material and thermal treatment under high isostatic pressures (0.8 GPa and 1.1 GPa) allow to obtain a large amount of superconducting phase even for Mg in the solid state. Additionally, studies points that heat treatment under medium isostatic pressure (0.3 GPa) significantly reduce B-irr and B-c2. Our results are important for long superconducting wires made by using the powder-in-tube (PIT) technique. Because they indicate that the higher packing density of the unreacted material (Mg +2B) will allow to obtain a the superconducting material with greater homogeneity and density, and improve the critical parameters e.g. coils. (C) 2021 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipInstitute of Low Temperature and Structure Research, PAS; TUBITAK (The Scientific and Technological Research Council of Turkey) [217M665]; Institute of High Pressure Physics, PASen_US
dc.identifier.citationGajda, D., Zaleski, A. J., Morawski, A., Czujko, T., Avci, D., Karaboga, F., ... & Belenli, I. (2021). The significant influence of packing density of unreacted Mg+ 2B mixture and heat treatment conditions on some of critical parameters for MgB2/Fe wires. Journal of Alloys and Compounds, 889, 161665.en_US
dc.identifier.doi10.1016/j.jallcom.2021.161665
dc.identifier.endpage19en_US
dc.identifier.issn0925-8388
dc.identifier.issn1873-4669
dc.identifier.scopus2-s2.0-85118693204en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.jallcom.2021.161665
dc.identifier.urihttps://hdl.handle.net/20.500.12491/11110
dc.identifier.volume889en_US
dc.identifier.wosWOS:000709694800001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorKaraboğa, Fırat
dc.institutionauthorAkdoğan, Mustafa
dc.institutionauthorYetiş, Hakan
dc.institutionauthorBelenli, İbrahim
dc.language.isoenen_US
dc.publisherElseiver Science SAen_US
dc.relation.ispartofJournal of Alloys and Compoundsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDensity of Unreacted Materialen_US
dc.subjectCritical Parametersen_US
dc.subjectConnections Between Grainsen_US
dc.subjectPinning Centersen_US
dc.subjectHigh Isostatic Pressureen_US
dc.subjectSynthesis Reactionen_US
dc.titleThe significant influence of packing density of unreacted Mg+2B mixture and heat treatment conditions on some of critical parameters for MgB2/Fe wiresen_US
dc.typeArticleen_US

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