影響鋁系陽極棒性質之要因

鋁系陽極棒比鎂或鋅系者有較高之理論電流容量，因此大量被使用於保護港灣設施及海上結構物等，但為避免生成鈍化膜及得到更佳之性質，在開發更佳之鋁系陽極棒上，對影響其性質之要因，有需作進一步之瞭解，本文就此加以整理及分述之，內容包括：犧牲陽極材料之要求、鋁陽極捧型式、合金元素的效應和鑄造凝固上之結構。

Aluminium anode has a far greater theoretical current capacity than that of or zinc anode. Therefore aluminium alloy anodes have been widely used for marine equipment and structure. However, in order to prevent the passivation of aluminium anode and to improve their proterties, it is necessary to understand the factors offecting them in developing better aluminium alloy anodes than before. This review paper is to discues and describe these factors which include the requirements of sacrifical anode material, the type of aluminium anode, the effects of alloy elements and solidification structures.