Publication:
Effect of nanosize MgO addition on the texture and mechanical strength of Bi-2212 superconductor compound

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dc.citedby1
dc.contributor.authorHamid N.A.en_US
dc.contributor.authorShamsudin N.F.en_US
dc.contributor.authorid6604077116en_US
dc.contributor.authorid35070368100en_US
dc.date.accessioned2023-12-29T07:46:01Z
dc.date.available2023-12-29T07:46:01Z
dc.date.issued2012
dc.description.abstractThe Bi 2Sr 2CaCu 2O 8 (Bi-2212) high-temperature ceramic superconductor has the potential to be applied in power system applications due to its low thermal conductivity. However due to the material's brittle nature and low strength, reinforcement of the Bi-2212 superconductor is necessary for such applications. Due to its high melting point and lower heat capacity, magnesium oxide (MgO) is an excellent candidate as the reinforcement material. In this study, 3% to 8% weight percentage of nanosize MgO powder was added to Bi-2212 superconductor. The Bi-2212/MgO compounds were palletized and heat treated, followed by partial melting and slow-cooling. X-ray diffraction (XRD) was used to study the phases present in the samples. Scanning electron microscopy (SEM) with energy dispersive X-ray (EDAX) analysis was performed to investigate the microstructure, and for identifying the elemental composition of the samples. Electrical resistance and critical current density (J c) measurements were carried out using the standard four-probe dc method. The degree of texturing of the microstructure was determined using the texture coefficient calculations. In addition, the mechanical strength of the samples was studied by conducting compression test. The results show that the addition of small amount of MgO particles has improved the texture of the Bi-2212/MgO compound. The compound with 5% MgO addition shows significantly higher strength. Addition of higher than 8% of MgO has resulted in highly porous microstructure and subsequently decreasing the strength of the Bi-2212/MgO compound. � (2012) Trans Tech Publications, Switzerland.en_US
dc.description.natureFinalen_US
dc.identifier.doi10.4028/www.scientific.net/AMR.545.387
dc.identifier.epage392
dc.identifier.scopus2-s2.0-84868228299
dc.identifier.spage387
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84868228299&doi=10.4028%2fwww.scientific.net%2fAMR.545.387&partnerID=40&md5=b82a34c416b11aa2e3acac7c404f2530
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/30259
dc.identifier.volume545
dc.pagecount5
dc.sourceScopus
dc.sourcetitleAdvanced Materials Research
dc.subjectBi-2212 phase
dc.subjectCurrent density
dc.subjectHigh-temperature superconductor
dc.subjectMechanical strength
dc.subjectTexture
dc.subjectCeramic superconductors
dc.subjectCompression testing
dc.subjectCurrent density
dc.subjectHigh temperature superconductors
dc.subjectMagnesium
dc.subjectNanotechnology
dc.subjectReinforcement
dc.subjectScanning electron microscopy
dc.subjectStrength of materials
dc.subjectSuperconductivity
dc.subjectTextures
dc.subjectX ray diffraction
dc.subjectBi-2212
dc.subjectBi-2212 phase
dc.subjectCompression tests
dc.subjectDC methods
dc.subjectDegree of texturing
dc.subjectElectrical resistances
dc.subjectElemental compositions
dc.subjectEnergy dispersive x-ray
dc.subjectFour-probe
dc.subjectHigh melting point
dc.subjectHigh temperature
dc.subjectLow thermal conductivity
dc.subjectMgO
dc.subjectMgO addition
dc.subjectMgO powders
dc.subjectNano-size
dc.subjectPartial melting
dc.subjectPorous microstructure
dc.subjectPower system applications
dc.subjectReinforcement materials
dc.subjectTexture coefficient
dc.subjectWeight percentages
dc.subjectBismuth compounds
dc.titleEffect of nanosize MgO addition on the texture and mechanical strength of Bi-2212 superconductor compounden_US
dc.typeConference paperen_US
dspace.entity.typePublication
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