高耐蚀性Zn-Co合金镀层钝化工艺的研究

A Research on Passivation of High Corrosion Resistant Zn-Co Alloy

究了电镀Zn Co合金镀层的钝化液的组成及工艺条件、溶液各成分及工艺条件对钝化膜质量的影响。通过几种腐蚀试验方法 ,测量了钝化膜的耐蚀性。结果表明 。

The technology of Zn Co alloy conversion coatings is studied. The optimization of the bath composition and operating conditions affecting the quality of coatings are also investigated. Corrosion test with several methods show that the conversion coatings of Zn Co alloy have superior corrosion resistance.