Effect of 4-(N,N-diethylamino)benzaldehyde thiosemicarbazone on the corrosion of aged 18 Ni 250 grade maraging steel in phosphoric acid solution

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dc.contributor.authorPoornima, T.
dc.contributor.authorNayak, J.
dc.contributor.authorNityananda Shetty, A.N.
dc.date.accessioned2026-02-05T09:35:37Z
dc.date.issued2011
dc.description.abstract4-(N,N-diethylamino)benzaldehyde thiosemicarbazone (DEABT) was studied for its corrosion inhibition property on the corrosion of aged 18 Ni 250 grade maraging steel in 0.67M phosphoric acid at 30-50°C by potentiodynamic polarization, EIS and weight loss techniques. Inhibition efficiency of DEABT was found to increase with the increase in DEABT concentration and decrease with the increase in temperature. The activation energy E<inf>a</inf> and other thermodynamic parameters (?Gads<inf>0</inf>, ?Hads<inf>0</inf>, ?Sads<inf>0</inf>) have been evaluated and discussed. The adsorption of DEABT on aged maraging steel surface obeys the Langmuir adsorption isotherm model and the inhibitor showed mixed type inhibition behavior. © 2011 Elsevier Ltd.
dc.identifier.citationCorrosion Science, 2011, 53, 11, pp. 3688-3696
dc.identifier.issn0010938X
dc.identifier.urihttps://doi.org/10.1016/j.corsci.2011.07.014
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/27162
dc.subjectA. Steel
dc.subjectActivation energy E
dc.subjectB. EIS
dc.subjectC. Acid corrosion
dc.subjectCorrosion inhibition
dc.subjectInhibition efficiency
dc.subjectLangmuir adsorption isotherms
dc.subjectMixed type
dc.subjectThermodynamic parameter
dc.subjectThiosemicarbazones
dc.subjectWeight loss
dc.subjectActivation energy
dc.subjectAdsorption
dc.subjectAldehydes
dc.subjectElectrochemical corrosion
dc.subjectMaraging steel
dc.subjectPhosphoric acid
dc.titleEffect of 4-(N,N-diethylamino)benzaldehyde thiosemicarbazone on the corrosion of aged 18 Ni 250 grade maraging steel in phosphoric acid solution

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