| 埋地管线钢缝隙腐蚀的机理与防护研究进展 |
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| 引用本文： | 杨佳星,赵平,孙成,许进. 埋地管线钢缝隙腐蚀的机理与防护研究进展[J]. 全面腐蚀控制, 2010, 24(4): 16-19,10 |
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| 作者姓名： | 杨佳星 赵平 孙成 许进 |
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| 作者单位： | 1. 沈阳理工大学,环境与化学工程学院,辽宁,沈阳,110159
2. 中国科学院金属研究所,金属腐蚀与防护国家重点实验室,辽宁,沈阳,110016 |
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| 摘 要： | 通过对埋地管线钢缝隙腐蚀的机理及防护进行综述,总结了阴极保护下缝内的电位电流分布规律,缝口保护电位、缝口尺寸、溶液导电率与缝内极化电位电流的关系及环境因素对缝隙腐蚀的影响。表明了埋地管线钢的缝隙腐蚀规律研究方面的重大意义。
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| 关 键 词： | 缝隙腐蚀 阴极保护 环境因素 |
Mechanism and Protection of Crevice Corrosion for Buried Steel Pipeline |
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| YANG Jia-xing,ZHAO Ping,SUN Cheng,XU Jin. Mechanism and Protection of Crevice Corrosion for Buried Steel Pipeline[J]. Total Corrosion Control, 2010, 24(4): 16-19,10 |
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| Authors: | YANG Jia-xing ZHAO Ping SUN Cheng XU Jin |
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| Affiliation: | YANG+Jia-xing1,ZHAO+Ping1**,SUN+Cheng2,XU+Jin2+(1.+School+of+Environmental+%26+Chemical+engineering,Shenyang+Ligong+University,110159,2.State+Key+Laboratory+for+Corrosion+%26+Protection,Institute+of+Metal+Research,Chinese+Academy+of+Sciences,Shenyang,110016+China) |
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| Abstract: | Mechanism and protection methods of crevice corrosion for buried steel pipeline were reviewed. The effects of the distribution of polarization current and potential, the seam potential, the seam size, the solution conductivity and the environmental factors on the crevice corrosion under the disbanded coatings were also summarized. It was showed that the research of the crevice corrosion has great importance to the practical working. |
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| Keywords: | crevice corrosion cathodic polarization environmental factors |
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