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dc.creatorKovačina, Jovanka
dc.creatorJegdić, Bore
dc.creatorRadojković, Bojana
dc.creatorMarunkić, Dunja
dc.creatorStevanović, Sanja
dc.creatorSimović, Anđela
dc.date.accessioned2021-11-01T07:17:03Z
dc.date.available2021-11-01T07:17:03Z
dc.date.issued2021
dc.identifier.issn0947-5117
dc.identifier.issn1521-4176
dc.identifier.urihttps://cer.ihtm.bg.ac.rs/handle/123456789/4824
dc.description.abstractThe influence of microstructure and surface roughness of the X5CrNi18-10 austenitic stainless steel-welded joint on resistance to uniform, pitting, and intergranular corrosion, as well as on the stability of the passive film, was evaluated. The microstructure was revealed by optical microscopy and scanning electron microscopy, whereas surface topography and roughness levels were determined by atomic force microscopy. Corrosion characteristics were obtained by the electrochemical potentiokinetic reactivation method with double loop, electrochemical impedance spectroscopy method, as well as by potentiodynamic measurements. The degree of sensitization of heat-affected zone (HAZ) was significantly lower than the threshold value required for the occurrence of intergranular corrosion. However, HAZ showed a significantly greater tendency to pitting and uniform corrosion compared to weld metal and base metal. No effect of roughness levels (RMS from 3.6 to 54 nm) on the pitting potential value of the welded joint was observed (unlike in HAZ). The polished surface shows significantly higher corrosion resistance than the grinded surface. Generally, polishing improved corrosion resistance, especially in HAZ, which is very important because HAZ is a critical place for the occurrence of pitting and other types of corrosion.sr
dc.language.isoensr
dc.publisherWileysr
dc.relationinfo:eu-repo/grantAgreement/MESTD/inst-2020/200026/RS//sr
dc.rightsrestrictedAccesssr
dc.sourceMaterials and Corrosionsr
dc.subjectcorrosionsr
dc.subjectEISsr
dc.subjectSEMsr
dc.subjectwelded jointsr
dc.subjectX5CrNi18-10 stainless steelsr
dc.titleInfluence of microstructure and roughness level on corrosion resistance of the austenitic stainless steel welded jointsr
dc.typearticlesr
dc.rights.licenseARRsr
dc.citation.volume72
dc.citation.issue7
dc.citation.spage1215
dc.citation.epage1231
dc.citation.rankM22~
dc.identifier.doi10.1002/maco.202012241
dc.identifier.scopus2-s2.0-85100351420
dc.identifier.wos000614342400001
dc.type.versionpublishedVersionsr


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