阳极保护是指将被保护金属作为阳极，进行阳极氧化而使金属钝化的保护方法。阳极保护的关键是建立和保持钝态，因此不是阳极极化曲线具有明显的钝化特征的腐蚀体系都一定能实现阳极保护，还必须对阳极保护的主要参数进行分析。
(2) 阳极保护(Anodic Protection) 以能钝化的金属为阳极(保护对象)，加装阴极金属，外供直流电流将阳极表层 钝化，而达到阳极免受高侵蚀性电解液的腐蚀。
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牺牲阳极保护 anode loss protection ; [化工] anodic sacrifice protection ; sacrificial protection
外加电流阳极保护 impressed current anodic protection
阳极保护座焊后 Anodic protection after welding ; Block after welding anode protection
深井阳极保护工程 Deep anode protection project ; Sham Tseng anodic protection engineering
阳极保护帽 anode protecting cap
牺牲阳极保护系统 galvanic protection system
阳极保护的电源要求 current requirement for anodic protection
炼油厂阴阳极保护工程 yin and yang oil refinery project to protect
太阳能阴极保护系统 solar-powered cathodic protection
然而，防腐蚀铸层与钢脚间的结合不良将削弱锌的阳极保护作用。
However the poor bond between the anticorrosion casting coating and steel-foot would weaken the anodic protection of zinc.
介绍了牺牲阳极材料的选择、使用条件以及牺牲阳极保护的计算方法。
Then it introduced the selection of sacrifice anode materials, application conditions and the protective calculation methods.
腐蚀介质到达基体时，将发生电偶腐蚀，铝涂层会作为牺牲阳极保护基体免受腐蚀。
Once corrosive solution arrived at the substrate, galvanic corrosion occurred, and aluminum coatings acted as the sacrificial anode protecting the steel substrate from corrosion.
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