Abstract
The effect of addition of aluminum (Al) nanoparticles to epoxy coating on the ability to protect the carbon steel was studied by electrochemical impedance spectroscopy and focused ion beam-transmission electron microscopy. The EIS was conducted in 0.1M NaCl solution after wet/dry cyclic corrosion test. The addition of Al nanoparticles increased the film resistance (R f) and the charge transfer resistance (R ct) of epoxy-coated steel. The surface analysis showed that uniform and fine Al-Fe complex oxide layers were formed acting as barrier layers that enhanced the corrosion protection of the epoxy-coated steel. It has been concluded that the Al nanoparticles had a beneficial role in improving the corrosion resistance of the epoxy-coated steel.
| Original language | English |
|---|---|
| Pages (from-to) | 2085-2093 |
| Number of pages | 9 |
| Journal | Journal of Solid State Electrochemistry |
| Volume | 16 |
| Issue number | 6 |
| DOIs | |
| State | Published - Jun 2012 |
| Externally published | Yes |
Keywords
- Al nanoparticles
- Coatings
- Corrosion
- EIS
- FIB-TEM
ASJC Scopus subject areas
- General Materials Science
- Condensed Matter Physics
- Energy Engineering and Power Technology
- Electrochemistry
- Electrical and Electronic Engineering
- Materials Chemistry
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