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| 镁合金在模拟污染气体环境中的初期腐蚀规律 | |
| 引用本文： | 肖葵,董超芳,李晓刚,赵耀斌,刘春海.镁合金在模拟污染气体环境中的初期腐蚀规律[J].装备环境工程,2006,3(5):21-25,73. |
| 作者姓名： | 肖葵 董超芳 李晓刚 赵耀斌 刘春海 |
| 作者单位： | 1. 北京科技大学,材料科学与工程学院,北京,100083 2. 北京科技大学,材料科学与工程学院,北京,100083;中国科学院金属研究所,金属腐蚀与防护国家重点实验室,沈阳,110016 3. 中石化北京燕山分公司,物资装备中心,北京,102500 |
| 摘 要： | 研究了在含有SO2和CO2的模拟污染大气环境中AZ91D镁合金大气腐蚀初期行为，讨论了在SO2和CO2协同作用下AZ91D镁合金大气初期腐蚀规律。采用扫描电子显微镜（SEM）观察表面腐蚀形貌，XRD进行腐蚀产物分析。结果表明由于SO2和CO2的溶解导致电解液膜酸性增加，进一步加大了表面的反应活性．加速了大气初期腐蚀。 |
| 关 键 词： | 镁合金 大气腐蚀 污染空气 |
| 文章编号： | 1672-9242（2006）05-0021-05 |
| 收稿时间： | 2006-04-20 |
| 修稿时间： | 2006-04-20 |
Study of Magnesium Alloys Initial Corrosion in Simulation Atmosphere |
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| XIAO Kui,DONG Chao-fang,LI Xiao-gang,ZHAO Yao-bin,LIU Chun-hai.Study of Magnesium Alloys Initial Corrosion in Simulation Atmosphere[J].Equipment Environmental Engineering,2006,3(5):21-25,73. | |
| Authors: | XIAO Kui DONG Chao-fang LI Xiao-gang ZHAO Yao-bin LIU Chun-hai |
| Institution: | 1. University of Science and Technology Beijing, Beijing 100083, China; 2. State Key Laboratory for Corrosion and Protection, Shenyang 110016, China; 3. SINOPEC Beijing Yanshan Company, Beijing 102500, China |
| Abstract: | The atmospheric corrosion behavior of AZ91D magnesium alloy in simulated pollution atmosphere containing SO_2 and CO_2 was studied.The influence of pollution substance on the initial stage of atmospheric corrosion of AZ91D magnesium alloy was investigated.Meanwhile the cooperated effect of SO_2 and CO_2 was discussed.Surface morphologies were observed by scanning electron microscopy(SEM),and X-ray diffraction(XRD) was used to analyze the crystal corrosion products.The results showed that the dissolution of SO_2 and CO_2 results in the increase of acidity in the electrolyte layer,furthermore improved the surface reactive activity;thus fast increase the corrosion rate. |
| Keywords: | magnesium alloys atmospheric corrosion polluted air |
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