采用浸涂技术,在热镀锌(HDG)钢板表面制备3氨丙基甲基二乙氧基硅烷膜.通过电化学方法研究硅烷膜在3.50%的氯化钠溶液中的耐蚀性能,并用SEM研究存在硅烷膜的镀锌钢在腐蚀前后的形貌变化.结果表明,形成硅烷膜的镀锌钢在3.50%的氯化钠溶液中的自腐蚀电流密度下降到2.434×10-8 A· cm-2,自腐蚀电位正移.经SEM测试表明,硅烷膜在腐蚀前后的形貌几乎不变,耐蚀性能明显优于空白样镀锌钢.
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