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Corrosion protection of 1Cr18Ni9Ti stainless steel by polypyrrole coatings in HCl aqueous solution
Zhang, T; Zeng, CL
通讯作者Zeng, CL()
2005-08-30
发表期刊ELECTROCHIMICA ACTA
ISSN0013-4686
卷号50期号:24页码:4721-4727
摘要Electrically conducting polypyrrole (Ppy) coatings doped with sodium dodecylsulfate (SDS) have been deposited on 1Cr18Ni9Ti stainless steel by anodic polymerization from aqueous solutions of pyrrole and sodium dodecylsulfate. The corrosion behavior of Ppy coated steel was investigated in 0.3 M HCl aqueous solution at room temperature by a combination of electrochemical measurement techniques and scanning electron microscopy. The steel is in active state at the open circuit potential and suffers from pitting corrosion when the polarization potential is higher than 210 mV versus SCE. The Ppy coating can increase the corrosion potential of the steel by more than 600 mV versus SCE, and the pitting corrosion potential by more than 500 mV versus SCE. Fifty-day exposure experiments indicated that the Ppy coating shows high stability, and can inhibit effectively the corrosion of the steel. (C) 2005 Elsevier Ltd. All rights reserved.
关键词polypyrrole coatings stainless steel HCl solution corrosion electrochemistry
DOI10.1016/j.electacta.2005.01.049
收录类别SCI
语种英语
WOS研究方向Electrochemistry
WOS类目Electrochemistry
WOS记录号WOS:000232145300014
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/82447
通讯作者Zeng, CL
作者单位Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
推荐引用方式
GB/T 7714
Zhang, T,Zeng, CL. Corrosion protection of 1Cr18Ni9Ti stainless steel by polypyrrole coatings in HCl aqueous solution[J]. ELECTROCHIMICA ACTA,2005,50(24):4721-4727.
APA Zhang, T,&Zeng, CL.(2005).Corrosion protection of 1Cr18Ni9Ti stainless steel by polypyrrole coatings in HCl aqueous solution.ELECTROCHIMICA ACTA,50(24),4721-4727.
MLA Zhang, T,et al."Corrosion protection of 1Cr18Ni9Ti stainless steel by polypyrrole coatings in HCl aqueous solution".ELECTROCHIMICA ACTA 50.24(2005):4721-4727.
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