ELECTROCHEMICAL AND THEORETICAL STUDIES INFLUENCING THE EFFECT OF HYDROXYL POSITION OF TETRAPHENOLIC SCHIFF BASES TOWARDS CORROSION INHIBITION OF MILD STEEL IN 1M HCl

dc.contributor.authorKHENICHE, Abdelhakim
dc.contributor.authorOurari, A.
dc.contributor.authorDakhouche, achour
dc.contributor.authorGhanem, A
dc.contributor.authorMeguellati, K.
dc.date.accessioned2019-05-23T09:36:42Z
dc.date.available2019-05-23T09:36:42Z
dc.date.issued2018-02
dc.description.abstractThe effect of three tetrahydroxylated Schiff bases as N,N-bis(2,3-dihydroxybenzyl- idene)-4,4’-diphenylmethane, N,N-bis(2,4-dihydroxybenzyl- idene)-4,4’-diphenylmethane and N,N-bis(2,4-dihydroxybenzylidene)-4,4’-diphenylmethane were studied as inhibitors for mild steel in 1M HCl medium. The experiments were performed using potentiodynamic polarization. This inhibition proved an efficient increase according the position of second hydroxyl of salicylaldehyde suggesting that this inhibition is dependent on concentration and the compound nature. Among these position-isomers, the best inhibition efficiency was obtained with p-hydroxylated (94%) at 1mM. Tafel plots of these inhibitors are the mixed- type, their adsorption is spontaneous obeying to Langmuir’s isotherm. AFM/SEM-EDS characterized metal surface. DFT-calculations and molecular dynamics simulations are correlated to inhibition efficiency obtained.en_US
dc.identifier.urihttp://dspace.univ-msila.dz:8080//xmlui/handle/123456789/14027
dc.publisherUniversité de M'silaen_US
dc.subjectMild steel, Tetrahydroxylated H2Salen, Corrosion inhibitors, AFM and SEM images, DFT-calculations and molecular dynamic simulationsen_US
dc.titleELECTROCHEMICAL AND THEORETICAL STUDIES INFLUENCING THE EFFECT OF HYDROXYL POSITION OF TETRAPHENOLIC SCHIFF BASES TOWARDS CORROSION INHIBITION OF MILD STEEL IN 1M HClen_US
dc.typeArticleen_US

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