Inhibition Effect of Quaternary Composite Corrosion Inhibitor on Carbon Steel in Neutral NaCl Solution
摘 要
通过正交试验研制了一种具有良好缓蚀效果的四元复合缓蚀剂HZY03。采用动态失重法、电化学方法、腐蚀形貌表征等手段研究了此复配缓蚀剂对3.5% NaCl溶液中碳钢的缓蚀效果。结果表明:HZY03的缓蚀效果随着缓蚀剂量的增大而提高,最佳质量浓度为150 mg/L,此条件下,其在低温(45 ℃)和高温(80 ℃)试验溶液中对碳钢的缓蚀率分别为91.96%和91.02%。HZY03是一种阳极型缓蚀剂,可有效抑制金属在3.5% NaCl溶液中的腐蚀。
Abstract
A quaternary composite corrosion inhibitor HZY03 with good corrosion inhibition effect was developed through orthogonal experiments. Dynamic weight loss method, electrochemical method, corrosion morphology characterization and other methods were used to study the corrosion inhibition effect of this compound corrosion inhibitor on carbon steel in 3.5% NaCl solution. The results show that the corrosion inhibition effect of HZY03 increased with the increase of the corrosion inhibitor dose, and the best mass concentration was 150 mg/L, under these conditions, its corrosion inhibition rates for carbon steel in low temperature (45 ℃) and high temperature (80 ℃) test solutions were 91.96% and 91.02%, respectively. HZY03 was an anodic corrosion inhibitor, which could effectively inhibit metal corrosion in 3.5% NaCl solution.
中图分类号 TG174.44 DOI 10.11973/fsyfh-202101002
所属栏目 试验研究
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收稿日期 2020/3/15
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联系人作者艾俊哲(aajzz@163.com)
引用该论文: CHENG Zhengjun,DUAN Lidong,CHI Shen,AI Junzhe. Inhibition Effect of Quaternary Composite Corrosion Inhibitor on Carbon Steel in Neutral NaCl Solution[J]. Corrosion & Protection, 2021, 42(1): 7
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【8】杨俊,龚敏,郑兴文,等. 复配缓蚀剂在50%乙二醇冷却液中对AZ91D镁合金的缓蚀作用[J]. 腐蚀与防护,2017,38(3):193-198.
【9】张艳华,陈修宁,王淑萍,等. Cu缓蚀剂协同效应研究进展[J]. 腐蚀科学与防护技术,2017,29(5):551-560.
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【11】李珊,杨丽,芮玉兰. H2SO4中丙炔醇复配缓蚀剂对碳钢的缓蚀作用[J]. 表面技术,2016,45(7):62-67.
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