Understanding the origin of high corrosion inhibition efficiency of bee products towards aluminium alloys in alkaline environments

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dc.contributor.authorRyl, Jacek
dc.contributor.authorWysocka, Joanna
dc.contributor.authorCieslik, Mateusz
dc.contributor.authorGerengi, Hüsnü
dc.contributor.authorOssowski, Tadeusz
dc.contributor.authorKrakowiak, Stefan
dc.contributor.authorNiedzialkowski, Pawel
dc.date.accessioned2020-04-30T23:46:51Z
dc.date.available2020-04-30T23:46:51Z
dc.date.issued2019
dc.departmentDÜ, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.descriptionRyl, Jacek/0000-0002-0247-3851; Krakowiak, Stefan/0000-0001-8192-8625; Niedzialkowski, Pawel/0000-0002-8197-6333; Ossowski, Tadeusz/0000-0002-0468-0133; Wysocka, Joanna/0000-0002-8016-9521en_US
dc.descriptionWOS: 000461909000029en_US
dc.description.abstractVarious bee products were found to be efficient corrosion inhibitors of aluminium in different environments. In particular, bee pollen was found to be highly effective in alkaline electrolytes, yet its highly complex composition and possible synergistic interactions hinder determination of the compounds acting as active corrosion inhibitors. The main purpose of the following work is to investigate the effect of solvents used for pollen extraction process on the corrosion inhibition of AA5754 alloy in alkaline environment. Both infrared and mass spectroscopies as well as chromatographic analysis were used to determine differences in the composition of each obtained extract. The inhibition efficiency (IE%) of each extract was determined by using the potentiodynamic polarization and impedance studies. The highest IE%, exceeding 90% at 10 gL(-1), was recorded for the water/ethanol extract. Most importantly, it has been found that the dichloromethane extract containing less polar compounds enhanced the corrosion rate at low bee pollen concentrations, and offered lower inhibition efficiency at the concentrations above 10 gL(-1). The adsorption isotherms were drawn based on dynamic impedance spectroscopy in galvanostatic mode (g-DEIS), while the measurements carried out at elevated temperatures allowed the construction of Arrhenius plots and, consequently, the confirmation of the physical mechanism of adsorption. (C) 2019 Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipMinistry of Science and Higher Education of PolandMinistry of Science and Higher Education, Poland [IP2015 067574]en_US
dc.description.sponsorshipAuthors acknowledge the financial support of the Ministry of Science and Higher Education of Poland from the budget funds in the period 2016-2019 under Iuventus Plus project IP2015 067574.en_US
dc.identifier.doi10.1016/j.electacta.2019.03.012en_US
dc.identifier.endpage274en_US
dc.identifier.issn0013-4686
dc.identifier.issn1873-3859
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage263en_US
dc.identifier.urihttps://doi.org/10.1016/j.electacta.2019.03.012
dc.identifier.urihttps://hdl.handle.net/20.500.12684/5303
dc.identifier.volume304en_US
dc.identifier.wosWOS:000461909000029en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofElectrochimica Actaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCorrosion inhibitionen_US
dc.subjectAluminium alloysen_US
dc.subjectGreen chemistryen_US
dc.subjectSurface analysisen_US
dc.subjectAdsorptionen_US
dc.subjectDynamic impedance spectroscopyen_US
dc.titleUnderstanding the origin of high corrosion inhibition efficiency of bee products towards aluminium alloys in alkaline environmentsen_US
dc.typeArticleen_US

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