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首页> 外文期刊>Arabian journal of chemistry >Investigation of the cut-edge corrosion of organically-coated galvanized steel after accelerated atmospheric corrosion test
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Investigation of the cut-edge corrosion of organically-coated galvanized steel after accelerated atmospheric corrosion test

机译：加速大气腐蚀试验后有机涂层镀锌钢尖端腐蚀的研究

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摘要

The cut edge corrosion of organically coated (epoxy, polyurethane and polyester) galvanized steel was investigated using electrochemical impedance spectroscopy (EIS). Measurements were performed on specimens that had been tested in an accelerated atmospheric corrosion test. The samples were subjected to 10 s fogging and 1 h awaiting cycles in an exposure cabinet (120 and 180 days) with artificial acid rain solution. According to the investigation, the coatings were damaged from the cut edge into the sheet, this distance was about 0.8 cm. These defects were more pronounced at after 180 days in proportion to after 120 days. (C) 2013 Production and hosting by Elsevier B.V, on behalf of King Saud University.
机译：使用电化学阻抗谱（EIS）研究了有机涂层（环氧树脂，聚氨酯和聚酯）镀锌钢的切边腐蚀。对已经在加速大气腐蚀测试中测试过的样品进行测量。在曝光柜中（120天和180天）用人造酸雨溶液对样品进行10 s雾化和1 h等待周期。根据调查，涂层从切边到薄板被破坏，该距离约为0.8厘米。这些缺陷在180天后比120天后更明显。 （C）2013由Elsevier B.V代表国王沙特大学制作和主持。

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