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首页> 外文期刊>International Journal of Electrochemical Science >Study for the Stability and Corrosion Inhibition of Electrophoretic Deposited Chitosan on Mild Steel Alloy in Acidic Medium
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Study for the Stability and Corrosion Inhibition of Electrophoretic Deposited Chitosan on Mild Steel Alloy in Acidic Medium

机译：酸性介质中电泳沉积壳聚糖在低碳钢合金上的稳定性和缓蚀性能研究

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摘要

Electrophoretic deposition (EPD) of chitosan (CS) on mild steel substrates was done from a chitosan–acetic acid solution. To increase the protective ability of chitosan coating, the coated samples wereimmersed in glutaraldehyde solution for 5 minutes. The electrophoretic deposition (EPD) of chitosanon mild steel substrates was investigated by FTIR, scanning electron microscopy, potentiodynamicpolarization measurements, and electrochemical impedance spectroscopy (EIS). The results of EISshowed that the resistance (Rt) or film stability increases with increasing immersion time in 0.5 MH2SO4 solution indicating a decrease in corrosion rate of the tested alloy with time. EIS measurementsunder open-circuit conditions confirmed well polarization results. CS showed very good inhibitionefficiency (IE) in 0.5 M sulphuric acid solution reaches to 98.1%. The method enabled the formationof adherent, protective and uniform coatings.
机译：壳聚糖（CS）在低碳钢基材上的电泳沉积（EPD）是通过壳聚糖-乙酸溶液进行的。为了增加壳聚糖涂层的保护能力，将涂覆的样品浸入戊二醛溶液中5分钟。通过FTIR，扫描电子显微镜，电位动力学极化测量和电化学阻抗谱（EIS）研究了壳聚糖低碳钢基材的电泳沉积（EPD）。 EIS的结果表明，电阻（Rt）或膜稳定性随在0.5 MH2SO4溶液中浸泡时间的增加而增加，表明被测合金的腐蚀速率随时间降低。在开路条件下的EIS测量结果确认了良好的极化结果。 CS在0.5 M硫酸溶液中显示出非常好的抑制效率（IE），达到98.1％。该方法能够形成粘附的，保护性的和均匀的涂层。

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