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首页> 外文期刊>Journal of Materials Engineering and Performance >Effect of Different Zirconium Contents on the Corrosion Resistance of ZrO 2-TiO 2 Film-Coated Stainless Steel
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Effect of Different Zirconium Contents on the Corrosion Resistance of ZrO 2-TiO 2 Film-Coated Stainless Steel

机译：不同锆含量对ZrO <下标> 2 -tio <下标> 2 薄膜涂层不锈钢的影响

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摘要

This work discusses the corrosion resistance of x%zirconia (ZrO~(2))–x%titania (TiO~(2)) nanocomposite films with different percentages of ZrO~(2)prepared on stainless steel by dipping the substrates in sol–gel solutions. The phase compositions and microstructures of the films were investigated by x-ray diffraction (XRD) and scanning electron microscopy (SEM). Tafel polarization curves and electrochemical impedance spectroscopy (EIS) were employed to investigate the corrosion resistance of the coated steel substrates during immersion in a 5% NaCl solution at room temperature. The results showed that when the percentage of ZrO~(2)in the sol–gel was relatively low, the film contained cracks, leading to a poor corrosion resistance. When the percentage of ZrO~(2)was higher, the corrosion resistance of the film was also affected by the sintering temperature; a sintering temperature of 650?°C gave the best protection of the metal surface, and the protection efficiency was 95%.
机译：该工作探讨了X％氧化锆（ZrO〜（2）） - X％二氧化钛（TiO〜（2））纳米复合膜的耐氧化物膜，其在溶胶中浸渍基材在不锈钢上制备的不同百分比的ZrO〜（2） 凝胶解决方案。 通过X射线衍射（XRD）和扫描电子显微镜（SEM）研究膜的相组合物和微观结构。 采用Tafel偏振曲线和电化学阻抗光谱（EIS）来研究涂覆钢基材在室温下5％NaCl溶液中的涂覆钢基材的耐腐蚀性。 结果表明，当溶胶 - 凝胶中的ZrO〜（2）的百分比相对较低时，膜含有裂缝，导致耐腐蚀性差。 当ZrO〜（2）的百分比较高时，薄膜的耐腐蚀性也受烧结温度的影响; 烧结温度为650Ω°C，给出了金属表面的最佳保护，保护效率为95％。

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