Mg-Gd-Y-Zr合金表面铈转化膜制备及耐蚀性能

被引：5

作者：

易建龙 ^{[1
]}

张新明 ^{[1
]}

马光 ^{[2
]}

古锐 ^{[1
]}

陈明安 ^{[1
]}

邓运来 ^{[1
]}

机构：

[1] 中南大学

[2] 西北有色金属研究院

来源：

稀有金属材料与工程 | 2009年 / 38卷 / 10期

关键词：

镁合金; 稀土; 铈转化膜; 腐蚀;

D O I：

暂无

中图分类号：

TG178 [各种金属及合金的腐蚀、防腐与表面处理];

学科分类号：

摘要：

采用容量法研究了Mg-Gd-Y-Zr合金表面铈转化膜的耐蚀性能,通过正交试验获得在其表面制备铈转化膜的最佳条件:pH值为10.0,成膜时间为30min,成膜促进剂的浓度为0.05mol/L,成膜温度为25℃。其影响程度为pH值>成膜时间>成膜促进剂的浓度>成膜温度。比较了铈转化膜、铬酸盐转化膜及光板镁合金在3.5%NaCl溶液中的耐蚀行为。实验结果表明铈转化膜显著地提高了镁合金的耐腐蚀性能。

引用

页码：1852 / 1855

页数：4

共 13 条

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