| 油气集输管道内涂层金属腐蚀失效机理研究 |
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| 引用本文： | 臧国军,崔斌.油气集输管道内涂层金属腐蚀失效机理研究[J].石油化工设计,2005,22(4):54-56. |
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| 作者姓名： | 臧国军 崔斌 |
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| 作者单位： | 长庆油田公司油气田规划所,陕西省西安市,710021 |
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| 摘 要： | 为防止集输管道内壁腐蚀并提高输送效率,常常使用内涂层。但由于涂层缺陷的存在,在腐蚀介质的作用下管道内涂层会逐渐失效剥落,使金属大面积腐蚀。为此,对内涂层的失效机理和涂层下金属的反应过程进行了探讨,并找出两者之间的内在联系。
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| 关 键 词： | 集输管道 内涂层 失效 湿附着力 涂层缺陷 腐蚀过程 |
| 修稿时间： | 2005年4月12日 |
Failure Mechanism of Inner Coating on Oil and Gas Manifold Pipelines and Corrosion of Metal underneath |
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| Zang Guojun,et al..Failure Mechanism of Inner Coating on Oil and Gas Manifold Pipelines and Corrosion of Metal underneath[J].Petrochemical Design,2005,22(4):54-56. |
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| Authors: | Zang Guojun |
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| Affiliation: | Zang Guojun,et al.,Chongqing Oil Field Corporation,P. C. 710021 |
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| Abstract: | Inner coating is often used on manifold pipelines to prevent the inner wall from corrosion. However, as a result of coating defects,the inner coating will gradually fail and flake off in corrosive environment and therefore the metal will be largely corrupted.This article explores the failure mechanism of inner coating and the reaction process of metal underneath,and presents the internal relationship between them. |
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| Keywords: | Manifold pipeline Inner coating Failure Wet adhesion Coating defect Corrosion process |
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