Effect of microstructure on electrochemical properties of the EN S275 mild steel under chlorine-rich and chlorine-free media at different pHs

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dc.authorid0000-0002-7797-604Xen_US
dc.authorscopusid6507405286en_US
dc.authorwosidB-3144-2011en_US
dc.contributor.authorParapurath, Shahid
dc.contributor.authorJacob, Liyamol
dc.contributor.authorGünister, Ebru
dc.contributor.authorVahdati, Nader
dc.date.accessioned2022-11-10T14:24:53Z
dc.date.available2022-11-10T14:24:53Z
dc.date.issued2022en_US
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Makine Mühendisliği Bölümüen_US
dc.description.abstractThis study examines microstructural modification as an effective strategy for reducing corrosion and its impact on the mechanical properties of mild steel. The effect of heat treatment on morphology, strength, toughness, and ductility was studied using optical microscopy, SEM, Scherrer equation, Vickers's hardness test, and tensile-strength measurement. The heat treatment changed the microstructures, grain sizes, and particle sizes of the samples. It also increased the material strength by 56% and 25% for the quenched and tempered samples, respectively. The hardness was increased to 95% by quenching. The effect of the microstructural changes on the corrosion rate in chlorine-rich and chlorine-free media at different pH was studied using linear-polarization-resistance and dynamic-polarization-resistance methods. In both media, the quenched samples showed a lower corrosion rate compared to the original and tempered samples. The heat treatment resulted in the formation of homogenous martensite with coarse grains and small particle sizes that seemed to reduce the corrosion rate significantly. It also had an impact on the corrosion mechanism of these materials. The original and tempered samples showed pitting-corrosion behavior with high corrosion rates, while the quenched samples were more susceptible to intergranular corrosion. The rate of corrosion was investigated further at different pH, and it was shown to decrease when the pH was raised. This study confirms the impact of microstructural changes on the corrosion behavior of S275 structural steel.en_US
dc.identifier.citationParapurath, S., Jacob, L., Günister, E. & Vahdati, N. ( 2022). Effect of microstructure on electrochemical properties of the EN S275 mild steel under chlorine-rich and chlorine-free media at different pHs. Metals, 12(8), pp. 1-23. https://doi.org/10.3390/met12081386en_US
dc.identifier.doi10.3390/met12081386en_US
dc.identifier.endpage23en_US
dc.identifier.issn2075-4701
dc.identifier.issue8en_US
dc.identifier.scopus2-s2.0-85137812223en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttps://doi.org/10.3390/met12081386
dc.identifier.urihttps://hdl.handle.net/20.500.13055/301
dc.identifier.volume12en_US
dc.identifier.wosWOS:000845404000001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynak.otherSCI-E - Science Citation Index Expandeden_US
dc.institutionauthorGünister, Ebru
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.relation.ispartofMetalsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHeat Treatmenten_US
dc.subjectCorrosionen_US
dc.subjectMechanical Propertiesen_US
dc.subjectElectrochemical Propertiesen_US
dc.subjectPhen_US
dc.titleEffect of microstructure on electrochemical properties of the EN S275 mild steel under chlorine-rich and chlorine-free media at different pHsen_US
dc.typeArticleen_US
dspace.entity.typePublication

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