Application of the electrochemical noise to investigate the corrosion resistance of an epoxy zinc-rich coating loaded with lamellar aluminum and micaceous iron oxide particles

被引:104
作者
Arman, S. Y. [1 ]
Ramezanzadeh, B. [2 ]
Farghadani, S. [3 ,4 ]
Mehdipour, M. [1 ]
Rajabi, A. [3 ,4 ]
机构
[1] Amirkabir Univ Technol, Dept Minning & Met Engn, Tehran, Iran
[2] Inst Color Sci & Technol, Dept Surface Coatings & Corros, Tehran, Iran
[3] Amirkabir Univ Technol, Dept Polymer Engn & Color Technol, Tehran, Iran
[4] Saba Shimi Arya Co, Tehran, Iran
关键词
Zinc; EIS; Cathodic protection; Paint coating; POWDER COATINGS; ANTICORROSIVE COATINGS; NANOCOMPOSITE COATINGS; IMPEDANCE SPECTROSCOPY; NACL SOLUTION; PROTECTION; STEEL; EIS; PERFORMANCE; PIGMENTS;
D O I
10.1016/j.corsci.2013.07.034
中图分类号
T [工业技术];
学科分类号
120111 [工业工程];
摘要
The effects of partial replacement of zinc particles by micaceous iron oxide (MIO) and lamellar Al particles on the corrosion protection properties of an epoxy zinc rich coating were studied. Electrochemical noise (ECN), electrochemical impedance spectroscopy (EIS) and salt spray were utilized in order to investigate the cathodic protection properties of the coatings. Results showed that partial replacement of zinc dust particles by barrier MIO and Al particles caused corrosion protection properties enhancement of the zinc rich coating without reducing its sacrificial properties. The MIO loaded coating showed better corrosion protection properties compared with Al loaded one. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:118 / 127
页数:10
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