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Electrochemical and Environmental Behavior of Protective Coatings

机译：防护涂料的电化学和环境行为

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This work explores the electrochemical and corrosion behavior of several coatings applied on alloy C450 for corrosion, wear and antifouling applications. Most of the tests were performed in aerated 5% NaCI solution, pH 4 at 50°C. The monitoring of the corrosion potential and galvanic corrosion current of coated and non-coated specimens determined which coatings will provide corrosion protection to the substrate and polarization resistance measurements monitored the evolution of the coating corrosion behavior as a function of the immersion time. The electrochemical results correlated well with results from the exposure of coated coupons salt fog (ASTM B117).
机译：这项工作探索了在C450合金上用于腐蚀，磨损和防污应用的几种涂层的电化学和腐蚀行为。大多数测试是在50％pH值为4的充气5％NaCl溶液中进行的。对涂层和未涂层​​样品的腐蚀电势和电腐蚀电流的监测确定了哪些涂层将为基材提供腐蚀保护，而极化电阻的测量结果则根据浸入时间对涂层腐蚀行为的演变进行了监测。电化学结果与涂覆的试样盐雾的暴露结果非常相关（ASTM B117）。

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