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Title: | Corrosion inhibition of 2024-T3 aluminum alloy in 3.5% NaCl by thiosemicarbazone derivatives |
Authors: | Prakashaiah, B.G. Vinaya, Kumara, D. Anup, Pandith, A. Nityananda, Shetty, A. Amitha, Rani, B.E. |
Issue Date: | 2018 |
Citation: | Corrosion Science, 2018, Vol.136, , pp.326-338 |
Abstract: | Three thiosemicarzone derivatives, namely (E)-2-(2-hydroxybenzylidene) hydrazinecarbothioamide(MHC), (E)-2-(2,4-dihydroxybenzylidene)hydrazinecarbothioamide (DHC) and (E)-2-(2,3,4-trihydroxybenzylidene)hydrazinecarbothioamide (THC) were synthesized and their corrosion inhibition action on 2024-T3 aluminum alloy was studied in 3.5% NaCl solution. The surface morphology and surface composition of the corroded alloy were examined using FESEM, 3D profilometry, EDX spectroscopy and X-ray photoelectron spectroscopy. The synthesized inhibitors were found to provide corrosion protection on AA2024-T3 by forming an adsorbed layer of the complex on the alloy surface. They exhibited inhibition efficiency in the order, MHC < DHC < THC. Quantum chemical calculations corroborated the experimental results. 2018 Elsevier Ltd |
URI: | http://idr.nitk.ac.in/jspui/handle/123456789/10425 |
Appears in Collections: | 1. Journal Articles |
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