| 方志刚,刘斌,王涛.几种牺牲阳极在干湿交替条件下的自放电行为比较[J].装备环境工程,2012,9(4):52-56. FANG Zhi-gang,LIU Bin,WANG Tao.Comparison of Self-discharge Behavior of Sacrificial Anodes under Wet-dry Cycling Conditions[J].Equipment Environmental Engineering,2012,9(4):52-56. |
| 几种牺牲阳极在干湿交替条件下的自放电行为比较 |
| Comparison of Self-discharge Behavior of Sacrificial Anodes under Wet-dry Cycling Conditions |
| 投稿时间：2012-03-07 修订日期：2012-08-15 |
| DOI： |
| 中文关键词: 牺牲阳极 防腐蚀 干湿交替环境 电化学性能 |
| 英文关键词:sacrificial anodes anti-corrosion wet-dry cycling conditions electrochemical properties |
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| 中文摘要: |
| 模拟海水与空气的干湿交替条件， 对四种海船常用牺牲阳极的自放电行为进行了研究。通过测定工作电位、 发生电流、 溶解性能、 溶解产物成分， 分析了四种牺牲阳极在经历不同间浸工作周期后的电化学性能， 特别是再活化性能。结果表明： 在干湿交替条件下， Zn-Al-Cd阳极的电化学性能降低幅度最大，Al-Zn-In-Cd 阳极次之， 它们均不适合在此环境中使用； Al-Zn-In-Mg-Ti 的电化学性能比前两者好，Al-Zn-In-Mg-Ga-Mn则最适合作为干湿交替环境中的牺牲阳极。 |
| 英文摘要: |
| The self-discharge behaviors of four sacrificial anodes commonly used in seagoing ships were investigated under seawater and air alternative wet-dry cycling conditions. Working potential, electric current, solubility, and dissolved products were measured, and the electrochemical properties, especially the reactivation property, of four sacrificial anodes after different wet-dry cycles were analyzed. The results indicated that the electrochemical property of Zn-Al-Cd anode decreases more than others and Al-Zn-In-Cd anode the second worse. Both of these anodes were all not suitable for use in wet-dry cycling environment. Al-Zn-In-Mg-Ti anode has better electrochemical property and Al-Zn-In-Mg-Ga-Mn anode is the most suitable sacrificial anode for cathodic protection under wet-dry cycling conditions. |
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