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Abstract
The atmospheric corrosion behavior of Aluminum Alloy 6063 -T5 with exposure to FeCl3 containing droplet deposits to simulate direct
contact with steel corrosion product droplets has been investigated. Experiments were carried out at 50C and compared to room temperature exposure conditions to assess the behavior of aluminum heatsink materials. The evolution of corrosion sites, penetration rates, and corrosion product chemistry were analyzed using x-ray computed tomography (XCT), Raman spectroscopy and electron microscopy techniques. The measured corrosion rates were lower when the temperature was raised, even when exposed to multiple wet-dry periods. The lower corrosion rates were attributed to a reduced propensity to form iron oxy-hydroxides/oxides at the aluminum surface, which were present after room temperature exposure. The results are discussed in light of the galvanic corrosion behavior of aluminum alloy in contact with liquid steel corrosion products.
contact with steel corrosion product droplets has been investigated. Experiments were carried out at 50C and compared to room temperature exposure conditions to assess the behavior of aluminum heatsink materials. The evolution of corrosion sites, penetration rates, and corrosion product chemistry were analyzed using x-ray computed tomography (XCT), Raman spectroscopy and electron microscopy techniques. The measured corrosion rates were lower when the temperature was raised, even when exposed to multiple wet-dry periods. The lower corrosion rates were attributed to a reduced propensity to form iron oxy-hydroxides/oxides at the aluminum surface, which were present after room temperature exposure. The results are discussed in light of the galvanic corrosion behavior of aluminum alloy in contact with liquid steel corrosion products.
| Original language | English |
|---|---|
| Pages (from-to) | 650-660 |
| Journal | Corrosion |
| Volume | 78 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 1 Jul 2022 |
Research Beacons, Institutes and Platforms
- Henry Royce Institute
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Dive into the research topics of 'Application of X-ray Computed Tomography to Assess the Effect of Elevated Temperature on Atmospheric Corrosion of Aluminum Alloy 6063 in Contact with FeCl3 Droplets'. Together they form a unique fingerprint.Projects
- 1 Finished
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Structural Evolution across multiple time and length scales
Withers, P. (PI), Cartmell, S. (CoI), Cernik, R. (CoI), Derby, B. (CoI), Eichhorn, S. (CoI), Freemont, A. (CoI), Hollis, C. (CoI), Mummery, P. (CoI), Sherratt, M. (CoI), Thompson, G. (CoI) & Watts, D. (CoI)
1/06/11 → 31/05/16
Project: Research