采用脉冲电镀的方法在冷轧低碳钢板表面沉积锌镁合金,镀液为硫酸锌和硫酸镁的混合溶液,添加剂为十八烷基二甲基苄基氯化铵(OC)和聚乙二醇(PEG).XRD分析得出镀层中存在Mg2 Zn11金属间化合物,扫描电镜观察发现锌镁合金镀层比纯锌镀层更平整致密,电化学分析表明锌镁合金镀层的耐腐蚀性能远远优于纯锌镀层.
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