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侯宝荣 《中国海洋湖沼学报》1986,(3)
Corrosion of marine steel constructions may vary to a considerable extent owing to their different locations such as atmosphere, splash zone, tidal zone, immersion zone and mud zone[7.8]. A rather lengthy hanging steel sample is needed to test its corrosion resistance in various environments. But it is cumbersome to handle and not convenient for frequent observation arid maintenance. So an indoor analogue test method is generally adopted for this purpose[1]. This paper is a report of such a test. 相似文献
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ELECTROCHEMICAL EVALUATION OF DISSOLUTION CHARACTERISTICS OF Al-BASED SACRIFICIAL ANODES IN SEAWATER
The surface dissolution characteristics of Al-based sacrificial anodes in seawater have never been expressed numerically except in words such as uniform dissolution, non-uniform dissolution, serious localized dissolution, etc. An electrochemical method was developed in our laboratory to evaluate the above mentioned characteristics quantitatively. The Al anode samples are polarized to -1000 mv (vs. Ag/AgCl reference electrode) in seawater at 25±1℃, ami anodic current-time curves are recorded simultaneously. Then the coulometric density was calculated with the aid of a planimeter. By comparing the coulometric densities of these samples, the surface dissolution characteristics of anodes can be evaluated quantitatively. 相似文献
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