不同因素对X52管线钢氢渗透行为的影响
Influences of Different Factors on Hydrogen Permeation Behavior of X52 Pipeline Steel
摘 要
采用Devnathan-Stachurski双电解池法研究了在不同酸性气体、溶液pH及温度条件下X52管线钢的氢渗透行为.结果表明:在含不同酸性气体的溶液中,稳态渗氢电流密度由大到小的顺序依次为H2S、H2S/CO2、CO2,氢扩散系数基本不变;稳态渗氢电流密度随溶液pH的增大而减小,氢扩散系数基本不变;随着温度升高,稳态渗氢电流密度随之增大,可扩散氢浓度先减小后增大,氢扩散系数与温度符合Arrhenius方程.
氢扩散系数
可扩散氢浓度
hydrogen permeation
hydrogen diffusion coefficient
diffusible hydrogen concentration
Abstract
The hydrogen permeation behavior of X52 pipeline steel was investigated under the conditions of different acidic gases,solution pH values and temperatures by using the classical Devnathan-Stachurski electrochemical permeation cell.The results show that the steady state hydrogen permeation current density in solutions with dissolved acid gases decreases in the order of H2S,H2S/CO2 and CO2,but the hydrogen diffusion coefficient remains unchanged.With the increase of pH value,the hydrogen permeation current density increases first and then decreases,but the hydrogen diffusion coefficient is not clearly changed.When the temperature of solution rises,the hydrogen permeation current density increases and the diffusible hydrogen concentration exhibits a tendency of decrease followed by increase.The relationship between hydrogen diffusion coefficient and temperature conforms with the Arrhenius equation.
中图分类号 TG178
所属栏目 试验研究
基金项目 油气藏地质及开发工程国家重点实验室(西南石油大学)资助项目(PLN1306)
收稿日期 2013/11/15
修改稿日期 2014/9/23
网络出版日期
作者单位点击查看
备注吴辉(1988-),男,江西九江人,硕士研究生.
引用该论文: WU Hui,REN Cheng-qiang,LIU Li,HU Jun-ying,ZENG De-zhi. Influences of Different Factors on Hydrogen Permeation Behavior of X52 Pipeline Steel[J]. Materials for mechancial engineering, 2015, 39(5): 23～26
吴辉,任呈强,刘丽,扈俊颖,曾德智. 不同因素对X52管线钢氢渗透行为的影响[J]. 机械工程材料, 2015, 39(5): 23～26
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【3】杨静,徐烽,黄国建,等.影响X65管线钢抗氢致开裂性能的因素[J].机械工程材料,2011,35(11):94-97.
【4】张涛,龙军,孙新岭,等.管线钢氢致断裂门槛应力与氢渗透的相关性[J].机械工程材料,2003,27(10):14-16.
【5】AYESHA J,MUZAKA K,DUNNE D P.Effect of microstructure and composition on hydrogen permeation in X70 pipeline steels[J].International Journal of Hydrogen Energy,2013,38(5):2544-2556.
【6】ZHOU C S,ZHENG S Q,CHEN C F,et al.The effect of the partial pressure of H2S on the permeation of hydrogen in low carbon pipeline steel[J].Corrosion Science,2013,67(2):184-192.
【7】DEVNATHAN M A V,STACHURSKI Z.A technique for the evaluation of hydrogen embitterment characteristics of electroplating baths[J].Journal of Electrochemical Society,1963,110(8):886-890.
【8】SU Y J,WANG Y B,CHU W Y.Chemisorption-facilitated dislocation emission and motion,and induced nucleation of brittle nanocrack[J].Science in China,1997,40(6):661-665.
【9】KIUCHI K,MCLELLAN R B.The solubility and diffusivity of hydrogen in well-annealed and deformed iron[J].Acta Metallurgica,1983,31(7):961-984.
【10】ZHANG T Y,ZHENG Y P.Effects of absorption and desorption on hydrogen permeation-I theoretical modeling and room temperature verification[J].Acta Metallurgica,1998,46(14):5023-5033.
【11】袁曦,谷坛,杨仲熙,等.API X52管线钢氢渗透行为研究[J].腐蚀与防护,2010,31(1):194-196.
【12】ASAHI H,UENO M,YONEZAWA T.Prediction of sulfide stress cracking in high strength tubulars[J].Corrosion,1994,50(7):537-545.
【13】李春福,邓洪达,王斌.高含H2S/CO2环境中套管刚腐蚀行为与腐蚀产物膜关系[J].材料热处理学报,2008,29(1):89-93.
【14】TOSHIMITSU Y J,YASROU C,TAKENAO N,et al.The characteristic of hydrogen diffusion and concentration around a crack tip concerned with hydrogen embrittlement[J].Corrosion Science,2001,44(3):407-424.
【15】REVIE R W,SASTRI V S,HOEY G R,et al.Hydrogen induced cracking of pipeline steels:part 1 threshold hydrogen concentration and pH[J].Corrosion,1993,49(1):17-23.
【16】赵荣,陈业新.氢在Q960纯净钢中的扩散[J].上海大学学报,2013,19(1):61-66.
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