For acquiring new alloy coating with good corrosion resistance and production cost equivalence with hot dip zinc coating,the hot-dip Zn-Mg alloy coating of containing 0.

• 质量分数,下同)的热镀锌镁合金镀层,对各种成分的锌镁合金镀层进行了电化学测试和中性盐雾实验,并通过电子扫描显微镜观察了镀层的表面形貌。