Measurement and Prediction of the Thermal and Electrical Conductivity of Al-Zr Overhead Line Conductors at Elevated Temperatures

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dc.authoridKahveci, Osman/0000-0001-5053-0577
dc.contributor.authorKahveci, Osman
dc.contributor.authorCadirli, Emin
dc.contributor.authorAri, Mehmet
dc.contributor.authorTecer, Hicran
dc.contributor.authorGunduz, Mehmet
dc.date.accessioned2024-11-07T13:32:39Z
dc.date.available2024-11-07T13:32:39Z
dc.date.issued2019
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractIn the present work, the thermal conductivity and electrical resistivity of the Al-0.25 Zr (wt.%) alloy have been investigated from 300 K to 600 K. The variations of thermal conductivity (K-total) with temperature were measured by using a radial heat flow furnace. The electrical resistivity (rho) measurements of the alloy depending on the temperature were performed using the standard four-point probe method. The electrical conductivity (sigma) was obtained by using the measured electrical resistivity. The thermal conductivity and the electrical resistivity coefficients were determined from the graphs of thermal and electrical resistivity versus temperature for the alloy. The electronic thermal conductivity (K-e) values were obtained from the Wiedemann-Franz and Smith-Palmer equations, and the values of K-L were obtained by subtracting K-e fromthe measured values (K-total). K-total is dominated by Ke, and K-e varies between 208-198 W/mK. The K-L decreases from 7.99 to 1.77 W/m K, and s varies between 1.41x10(7)-2.80x10(7) Omega(-1)m(-1) in the range of temperature 373-600 K. The enthalpy of fusion (Delta H) and the specific heat capacity (C-p) during the transformation were determined. Thermal diffusivity (alpha) changes were calculated as a function of temperature from these obtained thermal data.
dc.description.sponsorshipErciyes University Scientific Research Project Unit [FOA-2014-5195]
dc.description.sponsorshipThis project was supported by Erciyes University Scientific Research Project Unit under Contract No: FOA-2014-5195. The authors thank Erciyes University Scientific Research Project Unit for their financial support.
dc.identifier.doi10.1590/1980-5373-MR-2018-0513
dc.identifier.issn1516-1439
dc.identifier.issn1980-5373
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85062446761
dc.identifier.scopusqualityQ3
dc.identifier.urihttps://doi.org/10.1590/1980-5373-MR-2018-0513
dc.identifier.urihttps://hdl.handle.net/11480/15537
dc.identifier.volume22
dc.identifier.wosWOS:000452763200001
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherUniv Fed Sao Carlos, Dept Engenharia Materials
dc.relation.ispartofMaterials Research-Ibero-American Journal of Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectElectrical resistivity
dc.subjectElectrical conductivity
dc.subjectTotal thermal conductivity
dc.subjectLattice thermal conductivity
dc.subjectElectronic thermal conductivity
dc.subjectAl-Zr Alloy
dc.titleMeasurement and Prediction of the Thermal and Electrical Conductivity of Al-Zr Overhead Line Conductors at Elevated Temperatures
dc.typeArticle

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