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首页> 外文期刊>International Journal of Electrochemical Science >Determination of the Corrosion Resistance of SS-304 in Synthetic Seawater at Two Temperatures Using Electrochemical Noise and Polarization Curves
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Determination of the Corrosion Resistance of SS-304 in Synthetic Seawater at Two Temperatures Using Electrochemical Noise and Polarization Curves

机译：用电化学噪声和极化曲线确定两种温度下SS-304在合成海水中的耐腐蚀性

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摘要

In this paper two electrochemical techniques were used to study the behavior of Stainless Steel 304 insynthetic seawater. The synthetic seawater was elaborated according to the standard ASTM D 1141-98(Standard Practice for the preparation of substitute ocean water). Two different temperatures were usedin the experiments: room temperature and 40 C. The electrochemical techniques werepotentiodynamic polarization curves and electrochemical noise. The electrochemical noise wasanalyzed in the time domain and in the frequency domain, the noise resistance (Rn) and the spectral0 noise resistance (R sn) were obtained. The corrosion rate at 40 C was higher than the corrosion rate atroom temperature, but the values of noise resistance and spectral noise resistance were high at bothtemperatures, indicating the good resistance of the chromium oxide layer to the increment oftemperature.
机译：本文采用两种电化学技术研究了304不锈钢合成海水的行为。根据标准ASTM D 1141-98（用于制备替代海水的标准实践）对合成海水进行了详细说明。实验中使用了两种不同的温度：室温和40°C。电化学技术是电位动力学极化曲线和电化学噪声。在时域和频域对电化学噪声进行了分析，得到了抗噪性（Rn）和频谱抗噪性（R sn）。 40℃下的腐蚀速率高于室温下的腐蚀速率，但是在两个温度下的抗噪声性和抗光谱噪声性的值均较高，表明氧化铬层对温度升高具有良好的抗性。

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