Effect of Heat Treatment on Corrosion Resistance of Electroless Duplex Ni-P/Ni-B Coatings

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dc.contributor.authorYuksel, Behiye
dc.contributor.authorMuhaffel, Faiz
dc.contributor.authorSerin, Ihsan Gokhan
dc.contributor.authorKosa, Ergin
dc.contributor.authorGoksenli, Ali
dc.date.accessioned2026-01-31T15:08:42Z
dc.date.available2026-01-31T15:08:42Z
dc.date.issued2024
dc.departmentİstanbul Beykent Üniversitesi
dc.description.abstractAs-plated and heat-treated Ni-P, Ni-B, and Ni-P/Ni-B coatings (Ni-P as an internal layer) on steel by electroless plating and their morphology, microstructure, and corrosion performance were evaluated in this study. Scanning electron microscopy analysis demonstrated that all coatings are uniform and adhesion between the substrate and coating was good. Ni-P and Ni-B coatings were amorphous-like structures in their as-plated condition, and by applying heat treatment nickel fully crystallized, nickel borides and nickel phosphides were formed. Immersion tests in 10% HCl and 5% H2SO4 solutions and potentiodynamic polarisation measurements in 3.5% NaCl aqueous solution were applied to investigate the corrosion resistance of the coatings. The results demonstrated that all coatings exhibit better corrosion performance than the substrate steel. Applying heat treatment did not change the corrosion resistance of Ni-P coating, conversely, heat treatment had a dominant positive effect on the corrosion performance of Ni-B and a minor effect on Ni-P/Ni-B duplex coatings.
dc.description.sponsorshipMiddle East Technical University, R&D Measurement Centre
dc.description.sponsorshipThe authors are grateful to the Middle East Technical University, R&D Measurement Centre, for their support in EPMA analysis.
dc.identifier.doi10.1134/S2070205124702447
dc.identifier.endpage1103
dc.identifier.issn2070-2051
dc.identifier.issn2070-206X
dc.identifier.issue6
dc.identifier.scopus2-s2.0-105001343917
dc.identifier.scopusqualityQ3
dc.identifier.startpage1094
dc.identifier.urihttps://doi.org./10.1134/S2070205124702447
dc.identifier.urihttps://hdl.handle.net/20.500.12662/10734
dc.identifier.volume60
dc.identifier.wosWOS:001454387900010
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPleiades Publishing Ltd
dc.relation.ispartofProtection of Metals And Physical Chemistry of Surfaces
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260128
dc.subjectelectroless
dc.subjectcoating
dc.subjectNi-P/Ni-B
dc.subjectheat treatment
dc.titleEffect of Heat Treatment on Corrosion Resistance of Electroless Duplex Ni-P/Ni-B Coatings
dc.typeArticle

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