PEO of AZ31 Mg Alloy: Effect of Electrolyte Phosphate Content and Current Density

dc.contributor.authorHadzima, Branislavcs
dc.contributor.authorKajánek, Danielcs
dc.contributor.authorJambor, Michalcs
dc.contributor.authorDrábiková, Juliánacs
dc.contributor.authorBřezina, Matějcs
dc.contributor.authorBuhagiar, Josephcs
dc.contributor.authorPastorková, Janacs
dc.contributor.authorJacková, Martinacs
dc.coverage.issue11cs
dc.coverage.volume10cs
dc.date.issued2020-12-17cs
dc.description.abstractIn this work, the quality of coatings prepared by plasma electrolytic oxidation (PEO) on an AZ31 magnesium alloy were evaluated. This was done by studying the effects of the chemical composition of phosphate-based process electrolytes in combination with different applied current densities on coating thickness, porosity, micro-cracking and corrosion resistance in 0.1 M NaCl. Both processing parameters were studied in four different levels. Mid-term corrosion resistance in 0.1 M NaCl was examined by electrochemical impedance spectroscopy and based on this, corrosion mechanisms were hypothesized. Results of performed experiments showed that the chosen processing parameters and electrolyte composition significantly influenced the morphology and corrosion performance of the prepared PEO coatings. The PEO coating prepared in an electrolyte with 12 g/L Na3PO4 center dot 12H(2)O and using an applied current density 0.05 A/cm(2) reached the highest value of polarization resistance. This was more than 11 times higher when compared to the uncoated counterpart.en
dc.formattextcs
dc.format.extent1-23cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationMetals. 2020, vol. 10, issue 11, p. 1-23.en
dc.identifier.doi10.3390/met10111521cs
dc.identifier.issn2075-4701cs
dc.identifier.orcid0000-0001-9786-2034cs
dc.identifier.orcid0000-0003-4252-696Xcs
dc.identifier.other169756cs
dc.identifier.researcheridAAE-1012-2020cs
dc.identifier.scopus57201179935cs
dc.identifier.urihttp://hdl.handle.net/11012/196451
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofMetalscs
dc.relation.urihttps://www.mdpi.com/2075-4701/10/11/1521cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2075-4701/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectmagnesium alloyen
dc.subjectplasma electrolytic oxidationen
dc.subjectcorrosionen
dc.titlePEO of AZ31 Mg Alloy: Effect of Electrolyte Phosphate Content and Current Densityen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-169756en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:38:19en
sync.item.modts2025.01.17 18:44:44en
thesis.grantorVysoké učení technické v Brně. Fakulta chemická. Ústav chemie materiálůcs
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