无铬酸性镀锌蓝白钝化

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1、无铬酸性镀锌蓝白钝化目录摘要........................................................iiiAbstract.............................................................................................................iv第一章绪论..................................................11.1腐蚀的概述...

2、...................................................11.1.1腐蚀的定义和分类...........................................11.1.2腐蚀的危害.................................................11.1.3金属腐蚀的防护.............................................21.2电镀锌工艺概述......................

3、............................31.2.1电镀锌概述..................................................31.2.2电镀锌的分类...............................................31.2.3电镀锌工艺.................................................41.3钝化工艺概述.........................................

4、...........51.3.1钝化概述...................................................51.3.2铬盐钝化概述...............................................51.3.3无铬钝化工艺概述...........................................61.4本课题研究的内容和意义..........................................8第二章实验方法及材料...

5、.....................................92.1试验工艺流程....................................................9———————————————————————————————————————————————2.2试验仪器、药品及材料...........................................102.3电镀锌试样制备方法..........................................

6、...112.4CuSO4点滴实验..................................................123.1实验目的与方案.................................................133.1.1实验目的..................................................133.1.2实验方案：................................................13i3.3钝化液配

7、方各成分的最佳用量.....................................153.3.1钝化液成膜剂剂浓度对钝化膜外观、耐蚀性的影响....................153.3.2钝化液络合剂剂浓度对钝化膜外观和耐蚀性的影响...................163.4钝化工艺对钝化膜外观和耐蚀性的影响.............................163.4.1钝化时间对钝化膜外观和耐蚀性的影响........................................1

8、63.4.2钝化液的PH值对钝化膜外观和耐蚀性的影响.............................173.4.3温度对钝化膜外观和耐蚀性的影响...............................................183.4.4钝化液水质对钝化膜外观和耐蚀性的影响...................................19—