用载波钝化方法控制AZ91D镁合金锡酸盐转化膜成膜过程,用扫描电镜(SEM)观察该转化膜的表面形貌,用极化曲线和电化学阻抗谱研究载波钝化对该转化膜耐蚀性能的影响.结果表明,载波钝化使AZ91D镁合金表面生成一层颗粒直径略大于传统浸泡处理的锡酸盐转化膜,其耐蚀性能显著提高.
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