Abstract
The corrosion behaviour of aluminium alloy 6013-20 SiC(P) at controlled velocities and elevated temperatures was investigated by electrochemical studies. The alloy in temper T4 (solution treated, quenched and naturally aged) showed a higher resistance to corrosion compared to the annealed and as fabricated tempers. It exhibited a decreased resistance to corrosion in 3?5 wt-% NaCl solution containing suspended polystyrene particles at solution velocities 1-3 m s-1. No significant reduction in corrosion resistance was observed in environmental chamber studies. Alloy Al 6013-20 SiC(P) offered good resistance to corrosion in salt spray chamber. The secondary phase intermetallic precipitates were the preferred sites for localised corrosion.
| Original language | English |
|---|---|
| Pages (from-to) | 312-320 |
| Number of pages | 9 |
| Journal | Corrosion Engineering Science and Technology |
| Volume | 44 |
| Issue number | 4 |
| DOIs | |
| State | Published - Aug 2009 |
Keywords
- Aluminium metal matrix composites
- Electrochemical measurements
- Erosion-corrosion
- Flow corrosion
ASJC Scopus subject areas
- General Chemistry
- General Chemical Engineering
- General Materials Science
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