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Abstract ABSTRACT: Aluminum sacrificial anodes have been widely used in the protection of iron structures, which are positioned in or around the sea, such as ships, platforms, and so on. While the efficiency of Al-anodes is decreased due to the passive film formed on the aluminum surface. So, it is necessary to investigate high efficient aluminum anodes. Thus, one should have quite understanding on the activation of aluminum in seawater, in order to optimize the alloying composition. In this paper, the activation behavior of aluminum in seawater and the effects of depassivators are summarized systematically.
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Received: 21 July 2006
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