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极化曲线法是求解金属腐蚀速率的最常用电化学方法,但是由于腐蚀环境以及腐蚀发展的复杂性,对极化曲线很难由最基本的求解方法进行分析。综合比较现有的极化曲线分析准确度的评价方法,选取阻抗谱分析得到的极化电阻,对一种极化曲线分析方法所得的极化电阻对比,来评价极化曲线分析方法的准确性,通过三组腐蚀体系实验验证,该方法具有较高的准确度。
Polarization curve method is the most commonly used electrochemical method to solve metal corrosion rate. However, due to the corrosive environment and the complexity of corrosion development, it is difficult to analyze the polarization curve by the most basic method. A comprehensive comparison of the existing polarization curve analysis accuracy of the evaluation method, select the impedance spectrum analysis of the polarization resistance, a polarization curve analysis of polarization resistance comparison obtained to assess the accuracy of the polarization curve analysis method , Through three groups of corrosion system experimental verification, the method has high accuracy.