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Sodium diethyldithiocarbamate as a novel corrosion inhibitor to mitigate corrosion of 2024-T3 aluminum alloy in 3.5 wt% NaCl solution
Journal of Molecular Liquids ( IF 6 ) Pub Date : 2020-03-21 , DOI: 10.1016/j.molliq.2020.112965
Iman Mohammadi , Taghi Shahrabi , Mohammad Mahdavian , Mazdak Izadi

In this work, sodium diethyldithiocarbamate (DDTC) was used as a novel corrosion inhibitor for AA2024-T3. For this purpose, the inhibition behavior of the DDTC was assessed by employing electrochemical tests and surface analysis. The electrochemical results indicated that DDTC acts as an effective corrosion inhibitor, and precipitation of a thin organic film on the AA2024-T3 surface is the main reason preventing the pitting corrosion of the samples. All of the electrochemical tests were proved by surface study analysis. The results of the SEM-EDS and ATR-FTIR studies showed the thin organic film formation on the aluminum alloy in the presence of DDTC.



中文翻译:

二乙基二硫代氨基甲酸钠作为一种新型缓蚀剂,可减轻2024-T3铝合金在3.5 wt%NaCl溶液中的腐蚀

在这项工作中,二乙基二硫代氨基甲酸钠(DDTC)被用作AA2024-T3的新型腐蚀抑制剂。为此,通过采用电化学测试和表面分析来评估DDTC的抑制行为。电化学结果表明,DDTC是一种有效的缓蚀剂,而AA2024-T3表面有机薄膜的沉淀是防止样品点蚀的主要原因。通过表面研究分析证明了所有的电化学测试。SEM-EDS和ATR-FTIR研究的结果表明,在存在DDTC的情况下,铝合金上会形成有机薄膜。

更新日期:2020-03-22
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