Cathodic Protection of Sea-Water Tank (II):On the Combination of Electrocoating by the Current from External Source and High-Purity ZincAnodes@@@外部电源电解包覆与高纯度亚铅阳极并用

CORROSION ENGINEERING DIGEST Pub Date : 1900-01-01 DOI:10.3323/JCORR1954.6.1_40

Hayata Shigeno, Y. Hisamatsu, Iwao Koizumi, Tesshi Sôda

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引用次数: 0

摘要

在每平方米保护面积电流分别为1安培和50安培时的条件下，用外源电对装有海水的钢制水箱内表面进行电涂。然后用高纯度锌阳极保护涂层表面约2000小时。所获得的涂层非常优异，维持保护电位所需的电流不超过每平方米钢表面5•10mA。经常测量槽电位分布和锌的阳极电流。通过测试，高纯度锌阳极的负极率更高

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A Trial on Cathodic Protection of Sea-Water Tank (II): On the Combination of Electrocoating by the Current from External Source and High-Purity Zinc Anodes@@@外部電源による電解被覆と高純度亞鉛陽極の併用

The inner surfaces of a steel tank containing seawater was electrocoated by the electricity from external source, under the condition of the current of 1 ampere and 50 ampere-hour respectively per square meter of protected area. The coated surfaces were then protected with high-purity zinc anodes for about 2000 hours. The coating obtained was found to be so excellent that the necessary current to maintain the protective potential was not more than 5•`10mA per square meter of steel surface. The potential distribution of tank and anodic current of zinc were frequently measured. Through the test, the high-purity zinc anodes held the more negative

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CORROSION ENGINEERING DIGEST

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