Effect of Citrate-Based Bath pH on Properties of Electrodeposited Cu-Zn Coating on an Aluminum Substrate

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dc.contributor.authorOzdemir, Rasim
dc.contributor.authorUnal, Ersin
dc.contributor.authorKarahan, IsmaIl Hakki
dc.date.accessioned2024-09-18T21:02:59Z
dc.date.available2024-09-18T21:02:59Z
dc.date.issued2024
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractIn this study, Cu-Zn alloys were deposited in citrate-based electrolytes on aluminum substrate by electrodeposition method. The effect of bath pH variation on the properties of the obtained Cu-Zn alloy coatings was investigated. The electrochemical behavior of the citrate-based baths and the crystalline structure, surface morphology and elemental content, electrical resistivity and thermal behavior of the alloy coatings were analyzed. According to the results of cyclic voltammetry (CV) analysis, increasing bath pH caused a negative shift in the cathodic deposition potential. In addition, the anodic dissolution peaks first shifted to the positive side with increasing pH and then shifted back to the negative direction. According to the results of XRD analysis, the phase structure of Cu-Zn alloys generally consists of alpha and beta ' phases, but according to differential scanning calorimeter (DSC) analysis, it is possible that there is a gamma phase in the structure in addition to these phases. In addition, pH increase (4.5 to 6.5) caused a relative increase in crystal grain size (similar to 14 to similar to 25 nm). The Zn content of Cu-Zn coatings first increased (similar to pct 15 to similar to pct 55) with pH increase, then followed a horizontal trend (similar to pct 55 to similar to pct 59) with further pH increase and then exhibited a slight decreasing trend (similar to pct 59 to similar to pct 52). The pH increase significantly affected the surface morphology of the coatings and denser coatings were obtained with increasing pH. While the electrical resistivity of Cu-Zn coatings first increased (0.0408 to 0.0696 mu Omega cm for 297 K) with increasing pH, it tended to decrease (0.0696 to 0.0479 mu Omega cm for 297 K) again at higher pH values. In addition, the electrical resistivity of the coatings increased with increasing measurement temperature. According to DSC analysis of the coatings, endothermic peaks were obtained, possibly representing the transformation from gamma to beta ' phase. [GRAPHICS] . (c) The Author(s) 2024en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkiye (TUBITAK)en_US
dc.description.sponsorshipOpen access funding provided by the Scientific and Technological Research Council of Turkiye (TUBITAK).en_US
dc.identifier.doi10.1007/s11661-024-07524-3
dc.identifier.endpage3955en_US
dc.identifier.issn1073-5623
dc.identifier.issn1543-1940
dc.identifier.issue10en_US
dc.identifier.scopus2-s2.0-85199562124en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage3937en_US
dc.identifier.urihttps://doi.org/10.1007/s11661-024-07524-3
dc.identifier.urihttps://hdl.handle.net/20.500.12483/13186
dc.identifier.volume55en_US
dc.identifier.wosWOS:001278318200001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofMetallurgical and Materials Transactions A-Physical Metallurgy and Materials Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectZinc Electrodepositionen_US
dc.subjectElectrical-Resistivityen_US
dc.subjectNanocomposite Coatingsen_US
dc.subjectCopper-Zincen_US
dc.subjectAlloyen_US
dc.subjectFabricationen_US
dc.subjectCorrosionen_US
dc.subjectFilmsen_US
dc.subjectTinen_US
dc.subjectMicrostructureen_US
dc.titleEffect of Citrate-Based Bath pH on Properties of Electrodeposited Cu-Zn Coating on an Aluminum Substrateen_US
dc.typeArticleen_US

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