以正辛基三乙氧基硅烷(TEOCS)和正硅酸乙酯(TEOS)作为前驱体,采用溶胶-凝胶法在铝合金表面制备一种硅烷改性膜层,并研究掺杂不同含量铈盐(Ce(NO3)3·6H2O)对膜层性能的影响.通过原子力显微镜、接触角测试、电化学阻抗谱和扫描电化学显微镜对掺杂前后膜层的表面形貌、润湿性、耐腐蚀性和自修复性能进行了表征.结果表明,当掺杂铈盐的含量为0.005 mol/L时,膜层具有较少的缺陷、较好的疏水性以及良好的耐蚀自修复性.
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