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首页> 外文期刊>International Journal of Electrochemical Science >Degradation of Passive Film on Low-Nickel Stainless Steel in Groundwater with Different Concentration of Chloride Ions
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Degradation of Passive Film on Low-Nickel Stainless Steel in Groundwater with Different Concentration of Chloride Ions

机译：不同浓度氯离子对地下水中低镍不锈钢钝化膜的降解作用

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摘要

The effect of chlorides on the degradation of passivation on a low-nickel stainless steel was investigated via electrochemical testing in a simulated groundwater solution. The results revealed that, with increasing chloride concentration of the groundwater, the corrosion potential, adsorption layer resistance, and the polarization resistance of the steel decreased significantly, donor density increased, whereas the thickness of the space charge layer decreased, and pitting potential decreased significantly (as determined via potential dynamic polarization measurements). The results suggest that degradation of the passive film on the low-nickel stainless steel was considerably exacerbated by increasing chloride concentration of the groundwater.
机译：通过在模拟地下水溶液中进行电化学测试，研究了氯化物对低镍不锈钢钝化降解的影响。结果表明，随着地下水中氯化物浓度的增加，钢的腐蚀电位，吸附层电阻和极化电阻显着下降，施主密度增加，空间电荷层厚度减小，点蚀电位显着下降。 （通过潜在的动态极化测量确定）。结果表明，低镍不锈钢上钝化膜的降解由于地下水中氯化物浓度的增加而大大加剧。

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