全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

成膜电位对石油套管P110钢钝化膜电化学性能的影响

, PP. 152-155

Keywords: P110油套管钢,钝化膜,电化学阻抗谱,莫特-肖特基曲线

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用动电位极化、电化学阻抗和电容测量等方法研究了P110钢在0.5mol/LNa2CO3+1mol/LNaHCO3缓冲溶液中生成的钝化膜的电化学性能。结果表明,P110钢在-0.2V~0.8V发生了明显的钝化现象;随着成膜电位的正移,钝化膜更加致密和稳定,耐蚀性更好;P110钢在该缓冲溶液中生成的钝化膜是n型半导体,随着成膜电位的正移,施主密度更低,对基体的保护作用增强。

References

[1]  李立波,?左剑恶.?温度对X80管线钢钝化膜电化学性能的影响 [J].?中国腐蚀与防护学报, 2009, 29(1): 40
[2]  Dirz P, Corostiza P, Sanz F, et al. First stage of electrochemical growth of passive film on iron [J]. J. Electrochem. Soc., 2001, 148(1): B137
[3]  Krishnamurthy B, While R E, Ploehn H J. Simplified point defect model for growth of anodic passive films on iron [J]. Electrochim. Acta, 2002, 47(20): 3375
[4]  Carmezim M J, Simoes A M, Montemor M F, et al. Capacitance behavior of passive films on ferric and austenitic stainless steel [J]. Corros. Sci., 2005, 47(3): 581
[5]  Fujimoto S, Tsuchiya H. Semiconductor properties and protective role of passive films of iron base alloys [J]. Corros. Sci., 2007, 49(1): 195
[6]  Hakiki N E, Montemor M F, Ferreira M G, et al. Semiconduting properties of thermally grown oxide films on AISI 304 stainless steel [J]. Corros. Sci., 2000, 42(4): 687
[7]  Rangel C M, Silva T M. Da Cunha Belo M. Semiconductor electrochemistry approach to passivity and stress corrosion cracking susceptibility of stainless steels [J]. Electrochim. Acta, 2005, 50(25-26): 5076
[8]  Glass G K, Hassanein A M, Buenfeld N R. Obtaining impedance information on the steel-concrete interface [J]. Corrosion, 1998, 54(11): 887
[9]  Hamadou L, Kadri A, Benbrahim N. Characterisation of passive films formed on low carbon steel in borate buffer solution(pH 9.2) by electrochemical impedance spectroscopy [J]. Appl. Surf. Sci., 2005, 252(5): 1510
[10]  Blackwood D J. Influence of the space-charge region on electrochemical impedance measurements on passive oxide films on titanium [J]. Electrochim. Acta, 2000, 46(4): 563
[11]  Alves V A, Brett C M A. Characterisation of passive films formed on mild steels in bicarbonate solution by EIS [J]. Electrochim. Acta, 2002, 47(13-14): 2081
[12]  Sikora J, Sikora E, Macdonald D D. The electronic structure of the passive film on tungsten [J]. Electrochim. Acta, 2000, 45(12): 1875
[13]  Zeng Y W, Luo J L. Electronic band structure of passive film on X70 pipeline steel [J]. Electrochimica, 2003, 48(43): 3551

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133