Corrosion protection of mild steel by polypyrrole coatings in acid sulfate solutions

被引：89
|
作者：
Krstajic, NV
Grgur, BN
Jovanovic, SM
Vojnovic, MV
机构：
来源：
ELECTROCHIMICA ACTA | 1997年 / 42卷 / 11期
关键词：
corrosion; impedance; polypyrrole; coating; electropolymerization;
D O I：
10.1016/S0013-4686(96)00313-1
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The corrosion behaviour of mild steel covered by the electrodeposited polypyrrole films was investigated by electrochemical impedance spectroscopy. Electrodeposition of polypyrrole was performed from aqueous solution of pyrrole and oxalic acid at a constant current density of 1 mA cm(-2) and yields strongly adherent and smooth polymer layers. The impedance spectra were treated through the nonlinear least squares (NLS) fitting to estimate the parameters of the proposed equivalent circuit, based on physical model for the corrosion of mild steel protected by polypyrrole films in acid sulfate solutions. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码：1685 / 1691
页数：7
相关论文
共 50 条
  • [31] Corrosion and wear protection of mild steel substrates by innovative PVD coatings
    Hoche, Holger
    Pusch, Casper
    Oechsner, Matthias
    SURFACE & COATINGS TECHNOLOGY, 2020, 391
  • [32] Corrosion protection of mild steel by polyvinylsilsesquioxanes coatings in 3% NaCl solution
    Fekry, A. M.
    Gasser, Adlia A. A.
    Ameer, M. A.
    JOURNAL OF APPLIED ELECTROCHEMISTRY, 2010, 40 (04) : 739 - 747
  • [33] Corrosion protection of mild steel by zirconia sol-gel coatings
    Li, H.
    Liang, K.
    Mei, L.
    Gu, S.
    Wang, S.
    1600, Kluwer Academic Publishers (20):
  • [34] Corrosion Protection of Mild Steel with Polyaniline–Thiokol Rubber Composite Coatings
    Keqiang Dinga
    Zhenbin Jiaa
    Wenshi Mab
    Dianlu Jianga
    Qian Zhaoa
    Jianglin Caoa
    Ruting Tonga
    Protection of Metals, 2003, 39 : 71 - 76
  • [35] Corrosion protection of mild steel by polyvinylsilsesquioxanes coatings in 3% NaCl solution
    A. M. Fekry
    Adlia A. A. Gasser
    M. A. Ameer
    Journal of Applied Electrochemistry, 2010, 40 : 739 - 747
  • [36] Corrosion protection of mild steel by zirconia sol-gel coatings
    Mei, LF
    Liang, KM
    Li, HB
    RARE METAL MATERIALS AND ENGINEERING, 2003, 32 : 245 - 247
  • [37] METALLIC COATINGS FOR PROTECTION OF MILD STEEL FROM CORROSION AT AMBIENT TEMPERATURES
    DAVIES, C
    HANFORD, NJ
    ANTI-CORROSION METHODS AND MATERIALS, 1970, 17 (08) : 17 - +
  • [38] OBSERVATIONS ON THE CORROSION OF MILD STEEL IN ACID SOLUTIONS.
    Okorafor, O.E.
    Corrosion Prevention and Control, 1987, 34 (05): : 132 - 136
  • [39] Corrosion behavior of mild steel in hydrochloric acid solutions
    Noor, Ehteram A.
    Al-Moubaraki, Aisha H.
    INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE, 2008, 3 (07): : 806 - 818
  • [40] Corrosion behaviour of mild steel in formic acid solutions
    Singh, MM
    Gupta, A
    MATERIALS CHEMISTRY AND PHYSICS, 1996, 46 (01) : 15 - 22
12345