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牺牲阳极阴极保护技术经一百多年的发展,应用范围不断扩大,除保护船舶外,还广泛用于保护海上设施、地下管道、地下设施及化工机械设备(如热交换器)等等;牺牲阳极材料也不断改进,锌阳极已由原来的纯锌发展为锌基合金,镁基合金牺牲阳极和铝基合金牺牲阳极的研制相继获得成功,尤其是铝阳极,近年来发展极为迅速。镁基阳极主要用于电导
Sacrificial anode cathodic protection technology has been developed over a hundred years and has been expanded to cover a wide range of applications including protection of offshore installations, underground pipelines, underground facilities and chemical machinery and equipment (such as heat exchangers) The anode material has also been improved. The zinc anode has been developed from pure zinc to zinc-based alloy. The development of magnesium-based sacrificial anode and aluminum-based sacrificial anode has been successful, especially in the aluminum anode. In recent years, the development has been extremely rapid. Magnesium-based anodes are mainly used for conductance