2-(4-(Diethylamino)-2-hydroxybenzyledene) Hydrazinecarboamide as Corrosion Inhibitor on AA2024-T3 Aluminium Alloy in 0.5 M Hydrochloric Acid Solution

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dc.contributor.authorPrakashaiah, B.G.
dc.contributor.authorNityananda Shetty, A.
dc.contributor.authorAmitharani, B.E.
dc.date.accessioned2026-02-05T09:31:20Z
dc.date.issued2018
dc.description.abstractA new compound 2-(4-(diethylamino)-2-hydroxybenzyledene) hydrazinecarboamide (DHBHC) was prepared by the condensation of thiosemicarbazide and diethylaminosalicyaldehyde in ethanol–water mixture and its purity was confirmed with IR, H1 and C13 NMR. Anticorrosion properties of this new compound were studied on the aluminium alloy AA2024-T3 in 0.5M HCl solution at 303 K by potentiodynamic polarization, electrochemical impedance spectroscopy and weight loss method. The inhibition efficiency of DHBHC was found to increase with an increase of its concentration. The inhibition efficiency obtained in this study was 96 ± 3% in the presence of 10 × 10?5 M of DHBHC. The surface morphology of the alloy was investigated both in the presence and in the absence of the inhibitor by field emission scanning electron microscopy, 3D profilometry and X-ray photoelectron spectroscopy. © 2018, Allerton Press, Inc.
dc.identifier.citationSurface Engineering and Applied Electrochemistry, 2018, 54, 3, pp. 286-296
dc.identifier.issn10683755
dc.identifier.urihttps://doi.org/10.3103/S1068375518030109
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/25153
dc.publisherPleiades Publishing compmg@maik.ru
dc.subjectAluminum corrosion
dc.subjectChlorine compounds
dc.subjectCorrosion
dc.subjectEfficiency
dc.subjectElectrochemical impedance spectroscopy
dc.subjectField emission microscopes
dc.subjectHydrochloric acid
dc.subjectProfilometry
dc.subjectScanning electron microscopy
dc.subjectX ray photoelectron spectroscopy
dc.subjectAA2024-T3
dc.subjectAnti-corrosion property
dc.subjectField emission scanning electron microscopy
dc.subjectHydrochloric acid solution
dc.subjectInhibition efficiency
dc.subjectinhibitor
dc.subjectThiosemicarbazides
dc.subjectWeight loss method
dc.subjectElectrochemical corrosion
dc.title2-(4-(Diethylamino)-2-hydroxybenzyledene) Hydrazinecarboamide as Corrosion Inhibitor on AA2024-T3 Aluminium Alloy in 0.5 M Hydrochloric Acid Solution

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