| 风电用环氧玻璃鳞片涂层防腐性能的电化学研究 |
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| 引用本文： | 张瑞珠,严大考,刘晓东,任洋洋,贾新杰,郭晓刚.风电用环氧玻璃鳞片涂层防腐性能的电化学研究[J].建筑材料学报,2017,20(1):135-138. |
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| 作者姓名： | 张瑞珠 严大考 刘晓东 任洋洋 贾新杰 郭晓刚 |
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| 作者单位： | 华北水利水电大学机械学院，河南郑州450045,华北水利水电大学机械学院，河南郑州450045,华北水利水电大学机械学院，河南郑州450045,华北水利水电大学机械学院，河南郑州450045,华北水利水电大学机械学院，河南郑州450045,华北水利水电大学机械学院，河南郑州450045 |
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| 基金项目： | 水利部科技推广计划项目（TG1420）；河南省科技型创新团队项目（B20142186）;郑州市重点实验室项目（2014 3 10） |
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| 摘 要： | 通过分析环氧玻璃鳞片涂层的电化学交流阻抗谱(EIS)、电阻电容和特征频率的变化特点,对其在各个浸泡阶段的防护机理进行了研究.结果表明:在浸泡初期,环氧玻璃鳞片涂层良好的屏蔽作用可阻挡水分子和腐蚀介质的渗入;在浸泡中期,环氧玻璃鳞片涂层因吸水饱和而失效,导致腐蚀介质渗透到钢铁基材表面,发生电化学反应而引起腐蚀,但是,由于腐蚀产物添堵了孔隙,再加上玻璃鳞片的层状分布使腐蚀介质渗入得以延缓,从而使腐蚀速率降低;在浸泡后期,环氧玻璃鳞片涂层快速失效,腐蚀产物大幅增加导致膨胀剥落,腐蚀介质直接和钢铁基材发生电化学反应,防护能力极低.
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| 关 键 词： | 电化学交流阻抗谱 容抗 特征频率 重防腐涂料 |
| 收稿时间： | 2015/9/2 0:00:00 |
| 修稿时间： | 2015/10/18 0:00:00 |
Electrochemical Performance of Epoxy Glass Flake Coating for Marine Wind Power |
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| ZHANG Ruizhu,YAN Dakao,LIU Xiaodong,REN Yangyang,JIA Xinjie and GUO Xiaogang.Electrochemical Performance of Epoxy Glass Flake Coating for Marine Wind Power[J].Journal of Building Materials,2017,20(1):135-138. |
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| Authors: | ZHANG Ruizhu YAN Dakao LIU Xiaodong REN Yangyang JIA Xinjie and GUO Xiaogang |
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| Affiliation: | School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China,School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China,School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China,School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China,School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China and School of Mechanical Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450045, China |
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