Evaluation of weathering steel's corrosion-resistant performances
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摘要: 采用干濕浸漬實驗獲得耐候鋼的防護性銹層.應用交流阻抗實驗方法測試了所得的銹層,建立了等效電路分析數據.結果表明,交流阻抗方法可以有效地分析耐候鋼內銹層的性質.干濕浸漬循環實驗與交流阻抗方法相結合,可以快速、合理地評價耐候鋼耐蝕性能.Abstract: The rust layer of a weathering steel was obtained by using dry-wet circle test and then analyzed by Electrochemical Impedance Spectroscopy (EIS) with an established equivalent electrical circuit. The results indicated that the technique of EIS test could be used to analyze characteristics of the inner rust layer of the weathering steel effectively. The combination of dry-wet circle test and EIS test would be applied to evaluate the weathering steel's corrosion-resistant performance rapidly and reasonably.
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Key words:
- dry-wet circles test /
- weathering steel /
- rust /
- electrochemical impedance spectroscopy
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