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1 前言 铝合金牺牲阳极与锌基、镁基合金阳极相比,具有重量轻,单位重量发生电量大,价格便宜等优点,因此在海洋性环境中得到了越来越广泛的应用。 随着海洋开发的迅速发展,需要长寿命、性能优异的铝基牺牲阳极。从国内外对铝基阳极研究的工作情况来看,阳极性能的优劣不仅与所加活化元素的种类、含量等因素有关,而且还受铝材纯度的影响。铝材纯度越高,电流效率亦越高,但成本也相应增加。若能采用工业纯铝作原料则具有实际应
1 Introduction Aluminum alloy sacrificial anode and zinc-based, magnesium-based alloy anode compared with a light weight, the unit weight of the large amount of electricity, the advantages of cheap, and therefore in the marine environment has been more and more widely used. With the rapid development of the ocean, aluminum-based sacrificial anodes with long life and high performance are needed. From the domestic and foreign research on the work of the aluminum-based anode point of view, the pros and cons of the anode performance is not only related to the type and content of activated elements added, but also by the purity of aluminum. The higher the purity of aluminum, the higher the current efficiency, but the cost is also increased accordingly. If industrial pure aluminum can be used as raw material, it should have practical application