Improvement of AZ91 Alloy Corrosion Properties by Duplex NI-P Coating Deposition

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dc.contributor.authorWasserbauer, Jaromírcs
dc.contributor.authorBuchtík, Martincs
dc.contributor.authorTkacz, Jakubcs
dc.contributor.authorFintová, Stanislavacs
dc.contributor.authorMinda, Jozefcs
dc.contributor.authorDoskočil, Leošcs
dc.coverage.issue6cs
dc.coverage.volume13cs
dc.date.issued2020-03-17cs
dc.description.abstractThe corrosion behavior of duplex Ni-P coatings deposited on AZ91 magnesium alloy was studied. The electroless deposition process of duplex Ni-P coating consisted in the preparation of low-phosphorus Ni-P coating (5.7 wt.% of P), which served as a bond coating and high-phosphorus Ni-P coating (11.5 wt.% of P) deposited on it. The duplex Ni-P coatings with the thickness of 25, 50, 75 and 100 µm were deposited on AZ91 magnesium alloy. The electrochemical corrosion behavior of coated AZ91 magnesium alloy was investigated by electrochemical impedance spectroscopy and potentiodynamic polarization method in 0.1 M NaCl. Obtained results showed a significant improvement in the corrosion resistance of coated specimens when compared to uncoated AZ91 magnesium alloy. From the results of the immersion tests in 3.5 wt.% NaCl, 10% solution of HCl and NaOH and 5% neutral salt spray, a noticeable increase in the corrosion resistance with the increasing thickness of the Ni-P coating was observed.en
dc.formattextcs
dc.format.extent1-17cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationMaterials . 2020, vol. 13, issue 6, p. 1-17.en
dc.identifier.doi10.3390/ma13061357cs
dc.identifier.issn1996-1944cs
dc.identifier.orcid0000-0001-8927-1875cs
dc.identifier.orcid0000-0003-4949-8092cs
dc.identifier.orcid0000-0002-2460-2933cs
dc.identifier.orcid0000-0002-9584-9191cs
dc.identifier.other162737cs
dc.identifier.researcheridH-8743-2017cs
dc.identifier.researcheridAAE-7994-2019cs
dc.identifier.researcheridD-8198-2018cs
dc.identifier.researcheridAAE-9503-2019cs
dc.identifier.scopus49864860600cs
dc.identifier.scopus57191887028cs
dc.identifier.scopus37072139700cs
dc.identifier.scopus55194711000cs
dc.identifier.urihttp://hdl.handle.net/11012/188109
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofMaterialscs
dc.relation.urihttps://www.mdpi.com/1996-1944/13/6/1357/htmcs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1996-1944/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectNi-P coatingen
dc.subjectAZ91 magnesium alloyen
dc.subjectelectroless depositionen
dc.subjectcorrosionen
dc.subjectelectrochemical testen
dc.titleImprovement of AZ91 Alloy Corrosion Properties by Duplex NI-P Coating Depositionen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-162737en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:37:48en
sync.item.modts2025.01.17 16:53:15en
thesis.grantorVysoké učení technické v Brně. Fakulta chemická. CMV - laboratoř kovů a korozecs
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