稀土在金属表面处理工艺中的应用技术(5)——稀土对氯化钾镀锌层及三价铬钝化膜耐蚀性的影响

Applied Technology for Rare Earths in Surface Treatment of Metals Ⅴ——Effect of Rare Earths on Corrosion Resistance of Zinc Coating from Potassium Chloride Bath and Passivation Coating of Chromium

在氯化钾镀锌工艺及镀锌层三价铬钝化液中,添加以稀土为主体的稀土添加剂能明显地提高镀锌层的耐腐蚀性能。

Rare earths were used as additives for zinc plating from KCl bath and tri-valence chromium passivation of the zinc coating.It was found that the introduction of the rare earths as additives contributed to significantly improve the corrosion resistance of the Zn coating.