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首页> 外文期刊>Journal of Materials Engineering and Performance >Effect of Inhibitor Treatment on Corrosion of Steel in a Salt Solution
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Effect of Inhibitor Treatment on Corrosion of Steel in a Salt Solution

机译：缓蚀剂处理对盐溶液中钢腐蚀的影响

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This study examined experimentally different chemicals for inhibition of steel corrosion in a simulated aqueous solution for the industrial marine atmosphere of the Arabian Gulf region. The literature reported various inhibitors that can help in protection against metal corrosion in aqueous environments. Among them, 10 inhibitors (calcium silicate, cyclohexylamine, n-methylcyclohexylamine, dicyclohexylamine nitrite, sodium benzoate, sodium nitrate, sodium nitrate hexahydrate) were obtained and corrosion resistance of inhibitor applied steel specimens were examined in the simulated solution (2 wt. percent NaCl and 1 wt. percent Na_2SO_4). Test specimens were prepared from locally produced reinforcing steel products. Treatment of steel with either dicyclohexylamine nitrite or sodium dihydrogen orthophosphate both at 10 mM concentration for 1 day at room temperature resulted in significant inhibition of corrosion. No significant improvement in corrosion inhibition was observed either with an increase in inhibitor concentration at room temperature or with an increase in inhibitor application temperature at 10 mM concentration. A further study is planned to examine the inhibition performances of the two inhibitors under actual atmospheric conditions in the Arabian Gulf region (industrial marine environment).
机译：这项研究针对阿拉伯海湾地区的工业海洋大气，研究了在模拟水溶液中抑制钢腐蚀的实验不同化学物质。文献报道了各种抑制剂，这些抑制剂可以帮助防止水性环境中的金属腐蚀。其中，获得了10种抑制剂（硅酸钙，环己胺，正甲基环己胺，亚硝酸二环己胺，苯甲酸钠，硝酸钠，六水合硝酸钠），并在模拟溶液（2 wt％NaCl）中检查了涂有抑制剂的钢试样的耐腐蚀性。和1重量％的Na_2SO_4）。用当地生产的钢筋产品制备试样。在室温下用浓度为10 mM的亚硝酸二环己基胺或正磷酸二氢钠处理钢1天，可显着抑制腐蚀。室温下抑制剂浓度的增加或浓度为10 mM的抑制剂使用温度的增加，均未观察到腐蚀抑制的显着改善。计划进行进一步的研究，以检验两种抑制剂在阿拉伯海湾地区（工业海洋环境）的实际大气条件下的抑制性能。

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