采用电化学阻抗谱、极化曲线、丝束电极等技术研究了316L不锈钢和Q235碳钢在不同pH且含有高浓度氯化物的高炉煤气冷段管道冷凝液模拟液中的腐蚀行为.结果表明,随着溶液pH的升高,两种材料的阻抗值均逐渐增大,316L不锈钢的钝态电流密度和Q235碳钢的腐蚀电流密度均减小.丝束电极电流分布图中阳极电流区域随溶液pH的升高而减小,不锈钢和碳钢分别表现出局部腐蚀和全面腐蚀的特征.
参考文献
| [1] | Refaey SAM;Taha F;El-Malak AMA .Corrosion and inhibition of stainless steel pitting corrosion in alkaline medium and the effect of Cl- and Br- anions[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2005(1/2):114-120. |
| [2] | Shoufeng Yang;Digby D. Macdonald .Theoretical and experimental studies of the pitting of type 316L stainless steel in borate buffer solution containing nitrate ion[J].Electrochimica Acta,2007(5):1871-1879. |
| [3] | 王丹,李国希,章红春,朱日龙,杜艳娜.用丝束电极研究SO2-4对纯铝缝隙腐蚀的影响[J].腐蚀与防护,2006(01):7-10. |
| [4] | 胡金丰,李国希,邓恺,刘洋.用丝束电极研究混凝土中钢筋腐蚀的不均匀性[J].中国腐蚀与防护学报,2005(02):88-92. |
| [5] | Ting Wang;Yong-Jun Tan .Understanding electrodeposition of polyaniline coatings for corrosion prevention applications using the wire beam electrode method[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2006(8):2274-2290. |
| [6] | 董泽华,郭兴蓬,刘宏芳,许立铭,郑家燊.用丝束电极研究SRB微生物诱导腐蚀的电化学特征[J].中国腐蚀与防护学报,2002(01):48-53. |
| [7] | 吴新民,邵秀丽,薛晨,张彩霞,方芳.pH值对碳钢在高含硫油田水中腐蚀行为的影响[J].中国腐蚀与防护学报,2013(02):159-163. |
| [8] | 王巧玲,黄桂芳.用丝束电极研究NaNO2对钢铁防护性能的影响[J].中南大学学报（自然科学版）,2008(02):317-321. |
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