Electrochemical polymerization and characterization of polypyrrole on Mg-Al alloy (AZ91D)

被引：42
|
作者：
Turhan, Metehan C. [1 ]
Weiser, M. [1 ]
Killian, Manuela S. [1 ]
Leitner, B. [1 ]
Virtanen, S. [1 ]
机构：
[1] Univ Erlangen Nurnberg, Dept Mat Sci, LKO WW4, D-91058 Erlangen, Germany
来源：
SYNTHETIC METALS | 2011年 / 161卷 / 3-4期
关键词：
Magnesium; Magnesium alloy; AZ91D; Conductive polymer; Corrosion; Biocoating; Salicylate; Cyclic voltammetry; FT-IR; XPS; ToF-SIMS; SODIUM-SULFATE SOLUTIONS; CORROSION PROTECTION; CONDUCTING POLYMERS; OXIDIZABLE METALS; PURE MAGNESIUM; AQUEOUS-MEDIA; COPPER; ELECTROPOLYMERIZATION; PERFORMANCE; PYRROLE;
D O I：
10.1016/j.synthmet.2010.11.048
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report the formation of polypyrrole (PPy) coatings on Mg alloy AZ91D from aqueous solutions of a dicarboxylic organic acid salt by cyclic voltammetry (CV) method. The polymeric films of PPy are directly coated onto AZ91D substrates without any pretreatment or intermediate steps. The electro-chemically formed PPy films were characterized by Fourier Transform Infrared Spectroscopy (FT-IR), X-Ray photoelectron spectroscopy (XPS) and time of flight secondary ion mass spectrometry (ToF-SIMS). Electrochemical impedance spectroscopy (EIS) measurements demonstrate a good corrosion protection. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：360 / 364
页数：5
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