| Ni-Fe-P镀层在H2S/CO2腐蚀环境中的腐蚀电化学研究 |
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| 引用本文： | 鲁亮,李春福,孙延安,荣金仿.Ni-Fe-P镀层在H2S/CO2腐蚀环境中的腐蚀电化学研究[J].腐蚀与防护,2012(1):42-45. |
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| 作者姓名： | 鲁亮 李春福 孙延安 荣金仿 |
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| 作者单位： | 西南石油大学材料科学与工程学院;大庆油田有限责任公司采油工程研究院;绵阳仁智石化有限公司 |
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| 摘 要： | 在油管常用钢N80钢表面制备了Ni-Fe-P化学镀层,采用SEM、EDS、XRD等分析手段,对所制备镀层的成分、微观形貌、结构等性能进行了分析研究;采用电化学方法评价了Ni-Fe-P镀层在H2S/CO2溶液中的耐蚀性。结果表明,N80钢表面经过化学镀Ni-Fe-P处理后,其耐蚀性得到很大的提高,镀层结构为非晶态;电化学测试结果表明该镀层在H2S/CO2溶液中具有极强的钝化倾向和很好的耐酸性,结果均证明Ni-Fe-P镀层具有良好的抗H2S/CO2腐蚀性能。
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| 关 键 词： | N80钢 Ni-Fe-P镀层 H2S/CO2腐蚀 耐蚀性 |
An Electrochemical Study on Ni-Fe-P Coating in Simulant Solutions with H2S/CO2 |
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| LU Liang,LI Chun-Fu,SUN Yan-An,RONG Jin-Fang.An Electrochemical Study on Ni-Fe-P Coating in Simulant Solutions with H2S/CO2[J].Corrosion & Protection,2012(1):42-45. |
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| Authors: | LU Liang LI Chun-Fu SUN Yan-An RONG Jin-Fang |
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| Affiliation: | 1.Department of Materials Science and Engineering,Southwest Petroleum University,Chengdu 610500,China; 2.Oil Production Technology Research Institute of Daqing Oilfield Company,Daqing 163453,China; 3.Sichuan Renzhi Petrochemical Technology Co.,Ltd.,Mianyang 621000,China) |
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| Abstract: | A Ni-Fe-P electroless plating coating was prepared on N80 steel which is widely used.The composition,morphology,structure of the coating were analyzed by SEM,EDS,XRD,and so on.The corrosion resistance of the Ni-Fe-P coating in H2S/CO2 was evaluated by electrochemical methods.The results showed that the corrosion resistance of N80 steel was improved greatly after the treatment of electroless plating Ni-Fe-P.The structure of the Ni-Fe-P coating was amorphous and the results of electrochemical tests indicated that the coating had a strong passivation tendency in aqueous H2S/CO2 solution.These test results showed that the Ni-Fe-P coating had excellent resistance to H2S/CO2 corrosion. |
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| Keywords: | N80 steel Ni-Fe-P coating H2S/CO2 corrosion corrosion resistance |
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