Abstract
The corrosion characteristics of aluminum alloys were investigated in the bio-ethanol gasoline blended fuel at 100 C. The corrosion property of aluminum alloys was evaluated by an in situ 2-electrode electrochemical impedance spectroscopy (EIS), weight loss test and pressure-time measurement. Surface analysis was carried out after immersion test. The polarization resistance of aluminum alloys was increased at initial immersion time due to the formation of boehemite film (γ-AlOOH); after that, it was decreased due to the initiation of aluminum alkoxide reaction. The pressure of autoclave was increased because of the hydrogen gas from the aluminum-ethanol alkoxide reaction. It was verified that a 2-electrode EIS and pressure-time measurements were able to evaluate the corrosion resistance of aluminum alloys in the bio-ethanol gasoline blended solution.
| Original language | English |
|---|---|
| Pages (from-to) | 26-31 |
| Number of pages | 6 |
| Journal | Fuel |
| Volume | 126 |
| DOIs | |
| State | Published - 15 Jun 2014 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- 2-Electrode electrochemical impedance spectroscopy (EIS)
- Alkoxide reaction
- Aluminum alloy corrosion
- Bio-ethanol gasoline blended fuel
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