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Corrosion inhibition of 2024-T3 aluminum alloy in 3.5 % NaCl by thiosemicarbazone derivatives
Corrosion Science ( IF 7.4 ) Pub Date : 2018-05-01 , DOI: 10.1016/j.corsci.2018.03.021
B.G. Prakashaiah , D. Vinaya Kumara , A. Anup Pandith , A. Nityananda Shetty , B.E. Amitha Rani

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

中文翻译:

氨基硫脲衍生物对 2024-T3 铝合金在 3.5% NaCl 中的腐蚀抑制

摘要 三种氨基硫脲衍生物,即(E)-2-(2-羟基亚苄基)肼碳硫酰胺(MHC)、(E)-2-(2,4-二羟基苄基)肼碳硫酰胺(DHC)和(E)-2-(2,3合成了,4-三羟基亚苄基)肼碳硫酰胺(THC)并研究了它们在3.5%NaCl溶液中对2024-T3铝合金的缓蚀作用。使用 FESEM、3D 轮廓仪、EDX 光谱和 X 射线光电子能谱检查腐蚀合金的表面形貌和表面成分。发现合成的抑制剂通过在合金表面形成复合物的吸附层对 AA2024-T3 提供腐蚀保护。他们表现出的抑制效率依次为,MHC
更新日期:2018-05-01
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