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Evaluation of Work-Hardened Aluminum Nano-Titania Laminate and Corrosion in sulfur dioxide (H2SO4): A Case Study in Federal Polytechnic of Oil and Gas Bonny, River State Nigeria

Ibrahim Friday Adejoh, Eidah Munirat Anthonia

Abstract

In an acidic environment mimicked by sulfuric acid (H2SO4), this study examines the mechanical and corrosion behavior of work-hardened aluminum laminates covered with nano-sized titanium dioxide (nano-TiO2) particles when exposed to sulfur dioxide (SO2). Aluminum substrates were subjected to the work hardening process to increase their mechanical strength. Nano-Titania coatings were then deposited to improve surface characteristics and corrosion resistance. The performance of the nano-TiO2-coated aluminum laminates was assessed using a variety of characterization methods, such as electrochemical corrosion tests, hardness testing, and microstructural analysis. When compared to uncoated and non-work-hardened samples, the results showed a notable increase in hardness and a decrease in corrosion rates. In industrial settings where exposure to acidic gases is common, the nano-Titania layer demonstrated interesting uses for aluminum-based materials by acting as an efficient barrier against hostile ions seen in sulfur dioxide and sulfuric acid environments. The results offer important new information for improving aluminum laminates' lifetime and resilience in severe corrosive environments.

Keywords

corrosion resistancealuminum laminatework hardeningnano-titania (nano-TiO2)

References

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