利用阳极氧化法制备TiO2薄膜，并研究了薄膜的光电化学防腐作用。XRD和SEM分析表明TiO2薄膜由非晶和锐钛矿组成，其表面形貌较为粗糙。在紫外光的昭射下，测试了薄膜在模拟海水中的电极电位、极化曲线、电化学阻抗谱以及与碳钢的耦合电流。结果表明TiO2薄膜=对碳钢在模拟海水中的腐蚀具有较好的光阴极保护作用。
The photo- electrochemical anticorrosion effect of the TiO2 films was investigated in 3% NaCl solution. The TiO2 films were prepared by using anodization method in alkaline solutions.X - ray and SEM analyses indicated that the TiO2 films were composed of amorphous and crystalline anatase, and the surface was very rough.Under UV illumination in man - made sea water,the polarzation curves and impedance spectrum of TiO2 and coupling photo - current curve between TiO2 filn and 45# carbon steel were measured. The results showed that the anodic TiO2 films had photo - electrochemical anticorrosion effect for carbon steel under UV illumination
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