Influence of amorphous boron grain size, high ısostatic pressure, annealing temperature, and filling density of unreacted material on structure, critical parameters, n-value, and engineering critical current density in MgB2 wires

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dc.authorid0000-0002-9810-2659en_US
dc.authorid0000-0001-8168-3242en_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.authorMalecka, Malgorzata
dc.contributor.authorAkdoğan, Mustafa
dc.contributor.authorKaraboğa, Fırat
dc.contributor.authorAvcı, Doğan
dc.contributor.authorYetiş, Hakan
dc.contributor.authorBelenli, İbrahim
dc.date.accessioned2023-06-20T12:33:05Z
dc.date.available2023-06-20T12:33:05Z
dc.date.issued2021en_US
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.descriptionThis research was funded by the Institute of Low Temperature and Structure Research, PAS, the Institute of High Pressure Physics, PAS and Ministry of National Defense Republic of Poland Program-Research Grant MUT Project 13-995. The wire samples of this work were fabricated with financial support from the Scientific and Technological Research Council of Turkey (TUBITAK) research project with grant numbers 217 M665.en_US
dc.description.abstractOur results show that a lower density of unreacted Mg + B material during an Mg solid-state synthesis reaction leads to a significant reduction in the quantity of the superconducting phase and lowers the homogeneity of the superconducting material. It also significantly reduces the irreversible magnetic field (B-irr), critical temperature (T-c), upper magnetic field (B-c2), engineered critical current density (J(ec)), and n-value, despite high isostatic pressure (HIP) treatment and the use of nanoboron in the sample. Our measurements show that samples with large boron grains with an 8% higher density of unreacted Mg + B material allow better critical parameters to be achieved. Studies have shown that the density of unreacted material has little effect on B-irr, T-c, B-c2, J(ec), and the n-value for an Mg liquid-state synthesis reaction. The results show that the critical parameters during an Mg liquid-state synthesis reaction depend mainly on grain size. Nanoboron grains allow for the highest B-irr, T-c, B-c2, J(ec), and n-values. Scanning electron microscopy (SEM) images taken from the longitudinal sections of the wires show that the samples annealed under low isostatic pressure have a highly heterogeneous structure. High isostatic pressure heat treatment greatly improves the homogeneity of MgB2.en_US
dc.description.sponsorshipInstitute of Low Temperature and Structure Research, PAS; Ministry of National Defense Republic of Poland Program-Research Grant MUT Project [13-995]; Scientific and Technological Research Council of Turkey (TUBITAK) research project [217 M665]; Institute of High Pressure Physics, PASen_US
dc.identifier.citationGajda, D., Zaleski, A. J., Morawski, A., Małecka, M., Akdoğan, M., Karaboğa, F., ... & Czujko, T. (2021). Influence of amorphous boron grain size, high isostatic pressure, annealing temperature, and filling density of unreacted material on structure, critical parameters, n-value, and engineering critical current density in MgB2 wires. Materials, 14(13), 3600.en_US
dc.identifier.doi10.3390/ma14133600
dc.identifier.endpage27en_US
dc.identifier.issn1996-1944
dc.identifier.issue13en_US
dc.identifier.pmid34203230en_US
dc.identifier.scopus2-s2.0-85109379049en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1en_US
dc.identifier.urihttp://dx.doi.org/10.3390/ma14133600
dc.identifier.urihttps://hdl.handle.net/20.500.12491/11156
dc.identifier.volume14en_US
dc.identifier.wosWOS:000671356800001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorAkdoğan, Mustafa
dc.institutionauthorKaraboğa, Fırat
dc.institutionauthorYetiş, Hakan
dc.institutionauthorBelenli, İbrahim
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.relation.ispartofMaterialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectMgb2 Superconducting Wiresen_US
dc.subjectBoron Grain Sizeen_US
dc.subjectDensity of Unreacted Materialen_US
dc.subjectHigh Isostatic Pressureen_US
dc.subjectCritical Current Densityen_US
dc.titleInfluence of amorphous boron grain size, high ısostatic pressure, annealing temperature, and filling density of unreacted material on structure, critical parameters, n-value, and engineering critical current density in MgB2 wiresen_US
dc.typeArticleen_US

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