| N80钢在川西某气井常温常压和高温高压下的腐蚀行为 |
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| 引用本文： | 李言涛,张玲玲,侯保荣. N80钢在川西某气井常温常压和高温高压下的腐蚀行为[J]. 材料保护, 2011, 44(1): 64-66,9 |
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| 作者姓名： | 李言涛 张玲玲 侯保荣 |
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| 作者单位： | 李言涛,侯保荣,LI Yan-tao,HOU Bao-rong(中国科学院海洋研究所腐蚀与防护中心,山东青岛,266071);张玲玲,ZHANG Ling-ling(兖矿集团有限公司,山东邹城,273500) |
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| 基金项目： | 中国科学院知识创新工程重要方向项目，国家科技支撑计划项目 |
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| 摘 要： | 管道钢在高温高压环境中的热力学条件和腐蚀动力学过程不同,因而其腐蚀规律及机理与常温常压下有很大不同.利用电化学方法研究了N80管道钢在川西某气井含饱和CO2的腐蚀介质中于常温常压和高温高压环境下的极化曲线和交流阻抗特征,通过对比发现:2种环境下的阳极反应机理相同而阴极反应机理不完全一样;高温高压条件下N80钢的腐蚀速率...
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| 关 键 词： | CO2腐蚀 气井 N80钢 高温高压 电化学 反应机理 |
Corrosion Behavior of N80 Pipeline Steel under Conditions of Normal Temperature and Pressure as well as High Temperature and Pressure in a Gas Well of Western Sichuan |
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| LI Yan-tao,ZHANG Ling-ling,HOU Bao-rong. Corrosion Behavior of N80 Pipeline Steel under Conditions of Normal Temperature and Pressure as well as High Temperature and Pressure in a Gas Well of Western Sichuan[J]. Journal of Materials Protection, 2011, 44(1): 64-66,9 |
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| Authors: | LI Yan-tao ZHANG Ling-ling HOU Bao-rong |
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| Affiliation: | LI Yan-tao1,ZHANG Ling-ling2,HOU Bao-rong1(1.Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China,2.Yanzhou Mining Corporation,Zoucheng 273500,China).. |
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| Abstract: | Electrochemical methods were used to comparatively measure the polarization curves and electrochemical impedance spectra of N80 pipeline steel in corrosive medium of a gas well of western Sichuan under conditions of normal temperature and pressure as well as high temperature and pressure.It was found that under the two conditions the anodic reaction mechanisms were the same while the cathodic reaction mechanisms were different.The corrosion rate of N80 steel under the high temperature and pressure condition... |
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| Keywords: | corrosion by CO2 gas well N80 pipeline steel high temperature and pressure electrochemical reaction mechanism |
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