水下或地下金属结构的腐蚀属电化学反应。其防腐措施通常有：涂漆、喷锌和外加阴极电流，这几种方法都存在不同的缺点。文中提出将涂漆和牺牲阳极同时用于水工金属的防腐。实践证明：联合保护法经济、防腐效果好。
Corrosion of submerged or under ground metal structure belongs toelectrochemical reaction. Anticorrosive measures such as coationgs, zinc spraying and applied cathodic current are usually used. These measures individually have different weaknesses. Therefore, coatings and sacrificial anodes are used in combination to protect submerged metal structures. Application of the combined protection in sea water and fresh water was exemplified, which proves that the combined protection is economical and has good anticorrosive results.
参考文献
| [1] | 张文渊.近海地区水工钢闸门的腐蚀与防护[J].材料保护,1999(06):16-17. |
| [2] | GB 9793～9794-1988.GB9793～9794-1988.热喷涂锌及锌合金涂层及其试验方法[S]. |
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