通过电化学测试、浸泡实验和表面分析技术研究了交流电流密度(0～1000A/m2)对X80钢在鹰潭酸性土壤模拟溶液中腐蚀行为的影响.结果表明:随交流电流密度的增加,X80钢的腐蚀速率逐渐增加.当交流电流密度小于100A/m-2时,其腐蚀速率缓慢增大,X80钢腐蚀电位随交流电流密度增加而快速负移;当交流电流密度大于100A/m2时,其腐蚀速率快速增加,其腐蚀电位接近.随交流电流密度的增大,X80钢的腐蚀形态由均匀腐蚀演变为点蚀,阴极极化曲线上的电流波动愈明显,阳极电流密度增大.交流电作用下X80钢生成的腐蚀产物疏松,裂纹多,对基体的保护性很差.
参考文献
| [1] | WAKELIN R G;SHELDON C.Investigation and mitigation of AC corrosion on a 300 mm diameter natural gas pipeline[A].Houston:NACE,2004 |
| [2] | ROGER F.Testing and mitigation of AC corrosion on 8 line:a field study[A].Houston:NACE,2004 |
| [3] | 李自力,杨燕.金属材料交流腐蚀机理、影响因素及风险评价[J].化工学报,2011(07):1790-1799. |
| [4] | 李自力,杨燕.金属管道交流腐蚀研究新进展[J].石油学报,2012(01):164-171. |
| [5] | 杜晨阳,曹备,吴荫顺.交流电干扰下-850 mV（CSE）阴极保护电位准则的适用性研究[J].腐蚀与防护,2009(09):655-659. |
| [6] | FUNK D;PRINZ W;SCHONEICH H G .Investigations of AC corrosion in cathodically protected pipes[J].3R International,1992,31(6):336-341. |
| [7] | CHIN D T;FU T W .Corrosion by alternating current:a study of the anodic polarization of mild steel in Na2SO4 solution[J].CORROSION,1979,35(11):514-523. |
| [8] | CHIN D T;SACHDEY P .Corrosion by alternating current:polarization of mild steel in neutral electrolytes[J].Journal of the Electrochemical Society,1983,130(8):1714-1718. |
| [9] | FU A Q;CHENG Y F .Effects of alternating current on corrosion of a coated pipeline steel in a chloride-containing carbonate/bicarbonate solution[J].Corrosion Science,2010,52(2):612-619. |
| [10] | AC corrosion. Part 2: Parameters influencing corrosion rate[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2010(3):916. |
| [11] | 翁永基,王宁.碳钢交流电腐蚀机理的探讨[J].中国腐蚀与防护学报,2011(04):270-274. |
| [12] | 姜子涛,杜艳霞,董亮,路民旭.交流电对Q235钢腐蚀电位的影响规律研究[J].金属学报,2011(08):997-1002. |
| [13] | LY. Xu;X. Su;Z.X. Yin;Y.H. Tang;Y.F. Cheng .Development of a real-time AC/DC data acquisition technique for studies of AC corrosion of pipelines[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2012(Aug.):215-223. |
| [14] | 杨燕,李自力,文闯.交流电对X70钢表面形态及电化学行为的影响[J].金属学报,2013(01):43-50. |
| [15] | KULMAN F E .Effects of alternating currents in causing corrosion[J].CORROSION,1961,17(3):34-35. |
| [16] | GOIDANICH S;LAZZARI L;ORMELLESE M.Influence of AC on corrosion kinetics for carbon steel,zinc and copper[A].Houston:NACE,2005 |
| [17] | JONES D A .Effect of alternating current on corrosion of low alloy and carbon steels[J].CORROSION,1978,34(12):428-433. |
| [18] | NIELSEN L V;GALSGAARD F.Sensor technology for on-line monitoring of AC-induced corrosion along pipelines[A].Houston:NACE,2005 |
| [19] | 聂向晖,李云龙,李记科,张鸿博.Q235碳钢在滨海盐土中的腐蚀形貌、产物及机理分析[J].材料工程,2010(08):24-28,33. |
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