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金属学报  2004 

STUDY OF THE ELECTROCHEMICAL BEHAVIORS OF THE ZINC--RICH PAINTS BASED MULTILAYER ORGANIC COATINGS IN NaCl SOLUTION
多道富锌基涂层在NaCl溶液中的电化学行为研究

Keywords: zinc-rich paint,epoxy coating,multi-layer coating,electrochemical impedance spectroscopy,cathodic protection
富锌漆
,环氧涂层,多道涂层,电化学阻抗谱,阴极保护

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Abstract:

The electrochemical behaviors of the zinc-rich paints based multilayer organic coatings in 3.5% NaCl solution were studied. The results show that the zinc powder has a minor cathodic protection effect. The protection effect is due to the repair of holes by the corrosion product of zinc powder. Under the epoxy topcoat, the corrosion rate of the zinc powder in inorganic zinc-rich coatings is faster than that in organic type.

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