动态和静态下CO2分压对P110钢腐蚀行为的影响
Influence of CO2 Partial Pressure on Corrosion Behavior of P110 Steel in Dynamic and Static State
摘 要
利用高温高压釜设备辅以失重法、采用扫描电子显微镜(SEM)和X射线衍射(XRD)技术,研究了在动静两种状态下CO2分压对P110钢腐蚀产物膜的影响.结果表明,P110钢在不同CO2分压条件下的产物膜特征(形貌、厚度、晶粒度大小等)相差很大,腐蚀产物膜在不同CO2分压条件下的不同特征及其稳定存在的热力学条件导致P110钢的腐蚀速率随着CO2分压的增大呈现不同的趋势,在静态时腐蚀速率呈先增大后减小的趋势,且在4 MPa时取得最大值;而在动态时呈上升趋势.
CO2分压
腐蚀速率
腐蚀产物膜
P110 steel
CO2 partial pressure
corrosion rate
corrosion scale
Abstract
Influence of CO2 partial pressure on corrosion scale of P110 steel in stimulated oil field environments was investigated by using scanning electron microscopy(SEM) and x-ray diffraction(XRD).Simultaneously,the corrosion rate was measured by the weight loss method.The results showed that the different properties and thermodynamic conditions of corrosion scales resulted in different changing trends in the corrosion rate of P110 steel.The corrosion rate increased firstly and decreased subsequently with the increase of CO2 partial pressure in static state,and the maximal corrosion rate was presented at 4 MPa,but it always increased with the increase of CO2 pressure in dynamic state.
中图分类号 TG172.3
所属栏目 试验研究
基金项目
收稿日期 2008/7/28
修改稿日期 2008/10/17
网络出版日期
作者单位点击查看
备注刘会,硕士研究生.
引用该论文: LIU Hui,ZHU Shi-dong,ZHAO Guo-xian,LU Xiang-hong. Influence of CO2 Partial Pressure on Corrosion Behavior of P110 Steel in Dynamic and Static State[J]. Corrosion & Protection, 2009, 30(8): 551～554
被引情况:
【1】李谦定,卢永斌,李善建,卞雯,刘永毅,张菅,秦倩倩, "P110钢盐酸酸化缓蚀剂QL-1的合成及应用性能",腐蚀与防护 33, 289-292(2012)
【2】高纯良,刘明亮,李大朋,张雷,马文海,路民旭, "CO2分压对N80油管钢CO2腐蚀行为的影响",腐蚀与防护 35, 975-978(2014)
【3】刘晓玮,蔡庆伍,武会宾,张杰, "CO2分压对X80管线钢腐蚀性能的影响",腐蚀与防护 33, 502-506(2012)
【4】李勇, "油气田腐蚀环境中N80钢和3Cr钢的腐蚀行为",腐蚀与防护 37, 494-496(2016)
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参考文献
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【2】Waard C De,Lotz U,Milliams D E.Predictive model for CO2 corrosion engineering in wet natural gas pipelines[C]//NACE Corrosion,1996,47(12):9762985.
【3】Arne Dugstad,Liv Lunde.Parametric study of CO2 corrosion of carbon steel[C]//NACE Corrosion,1994:96.
【4】Katsumi Masamura,Shuji Hashizume,Keiji Nunomura.Corrosion of Carbon and Alloy Steels in Aqueous CO2 Environments[C]//Volume 1:Proceeding of the CORROSION/ 83 Symposium on CO2 Corrosion in the Oil and Gas Industry,1984.
【5】张学元,邸超,雷良才.二氧化碳腐蚀与控制[M].北京:化学工业出版社,2000:57.
【6】陈长风,路民旭,赵国仙,等.N80油套管钢CO2腐蚀产物膜特征[J].金属学报,2002,38(4):411-416.
【7】陈东,柳伟,路民旭,等.CO2分压对N80钢腐蚀产物膜保护性能的影响[J].北京科技大学学报,2007,29(3):288-292.
【8】A Ikeda,M Veda,S Mukai.Behavior and mechanism of carbon steel and alloy steel[C]//NACE Corrosion,1992:45.
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