Abstract
Erosion and erosion–corrosion behaviors of the Al–brass alloy were investigated using a slurry impingement rig at a velocity of 6m/s under impingement angles ranging from 20° to 90°. The maximum erosion and erosion–corrosion rates occurred at an impingement angle of 40°. The results showed positive synergisms at all impingement angles. The rate of erosion enhanced by corrosion showed values up to 54% of the total erosion–corrosion rate. Polarization curves showed a passive behavior in the stagnant condition. No passivation was observed in the flow and erosion–corrosion conditions indicating low durability of protective layers on the Al–brass alloy at jet velocity of 6m/s.
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