| 南海油田海底输油管线失效牺牲阳极的研究 |
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| 引用本文： | 李异,李建三,邓和平. 南海油田海底输油管线失效牺牲阳极的研究[J]. 华南理工大学学报(自然科学版), 2001, 29(7): 24-27 |
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| 作者姓名： | 李异 李建三 邓和平 |
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| 作者单位： | 1. 华南理工大学工业装备与控制工程系,
2. 中国海洋石油南海西部公司, |
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| 摘 要： | 对南海油田某海底输油管线失效的牺牲阳极进行了电化学性能测试、阳极表面溶解形态分析和扫描电镜及能谱分析，并对其溶解产物作了X－射线衍射分析。分析结果表明，阳极失效的原因是其结构存在缺陷，有严重的晶界偏析，从而导致了晶间腐蚀。
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| 关 键 词： | 南海油田 海底输油管线 牺牲阳极 阳极失效 晶间腐蚀 晶界偏析 |
| 文章编号： | 1000-565X(2001)07-0024-04 |
Research on Failure Sacrificial Anode Used on Seabed Mud Oil Delivery Pipeline in South China Sea Oil Field |
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| Li Yi Li Jian_san Deng He_ping. Research on Failure Sacrificial Anode Used on Seabed Mud Oil Delivery Pipeline in South China Sea Oil Field[J]. Journal of South China University of Technology(Natural Science Edition), 2001, 29(7): 24-27 |
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| Authors: | Li Yi Li Jian_san Deng He_ping |
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| Affiliation: | Li Yi 1 Li Jian_san 1 Deng He_ping 2 |
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| Abstract: | In this paper, a failure sacrificial anode used on oil pipeline in South China sea oil field was examined by electrochemical performance test, microanalysis of anode surface dissolution morphology, SEM and EDS analysis. Anode corrosion product was analyzed by X_ray diffraction. The examination results show that anode failure was mainly caused by structure defect. Alloy elements separation in crystal boundary results in intergranular corrosion. |
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| Keywords: | South China sea oil field seabed mud oil delivery pipeline failure sacrificial anode |
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