镀锌层的三价铬钝化

电镀与涂饰 , 2005, 24(8): 46-48. doi: 10.3969/j.issn.1004-227X.2005.08.014

镀锌层的三价铬钝化

邹锦光 ^1, , 刘建平 ^2, , 曾振欧 ^3, , 赵国鹏 ^4,

1.华南理工大学化学科学学院,广州,510640

2.广州二轻工业科学技术研究所,广州,510170

3.华南理工大学化学科学学院,广州,510640

4.广州二轻工业科学技术研究所,广州,510170

关键词：三价铬 , 钝化 , 镀锌

Trivalent chromium passivation for zinc electrodeposites

三价铬钝化在许多方面具有与六价铬钝化类似的性质,而毒性只有六价铬的百分之一.介绍了三价铬钝化技术兴起的背景、三价铬钝化溶液组成及操作条件、成膜机理、钝化膜颜色以及几种典型的镀锌层三价铬钝化液.提出选取更合适的添加剂及加速钝化膜形成的金属离子是今后三价铬钝化的研究重点.

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镀锌层的三价铬钝化

Trivalent chromium passivation for zinc electrodeposites

参考文献