锡-锌合金镀层的无铬和低铬钝化

1.哈尔滨工业大学应用化学系,黑龙江哈尔滨,150001

2.哈尔滨工业大学应用化学系,黑龙江哈尔滨,150001

3.哈尔滨工业大学应用化学系,黑龙江哈尔滨,150001

4.哈尔滨工业大学应用化学系,黑龙江哈尔滨,150001

Non-chromium and Low-chromium Passivationof Tin-Zinc Alloy Coatings

目前,在锡-锌合金上进行铬酸盐钝化已得到广泛应用,但六价铬化合物具有很高的毒性,又是第一类致癌物质,因而现在迫切需要开发对锡-锌合金的代铬钝化工艺.主要研究了Sn-Zn合金镀层的无铬和低铬钝化处理,并改善了合金镀层的耐蚀性.

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