海洋工程镁铝复合牺牲阳极铸造工艺及电化学性能测试

Casting Technique and Electro-Chemical Properties of Mg-AI Composite Sacrificial Anode Used in Ocean Engineering

为了在海洋工程阴极保护初期提供较大的保护电流，提出了使用镁铝复合牺牲阳极的方法，并设计、加工了小型复合牺牲阳极，解决了界面熔合的问题。通过测试认为该复合牺牲阳极性能良好，为下一步工程应用奠定了基础。

Mg-Al composite sacrificial anode is studied in order to provide offshore structure with greater initial cathodic protection current at its polarizing stage. A miniature Mg-Al composite sacrificial anode is designed, processed and casted. The difficulty in metal fusion at the interface of magnesium and aluminum is overcome with a special casting technique. Electrochemical property test shows a good performance of the composite sacrificial anode, which laid a solid foundation for its engineering application in future.