Reinforcing aluminium with cerium oxide: A new and effective technique to prevent corrosion in marine environments |
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| Affiliation: | 1. Central Institute of Fisheries Technology, Matsyapuri P.O., Cochin 682 029, Kerala, India;2. Department of Chemistry, University of Kerala, Kariavattom Campus, Trivandrum 695 581, Kerala, India;1. Department of Mechanical Engineering, The National Institute of Engineering, Mysuru, Karnataka 570008, India;2. Department of Automobile Engineering, Dayananda Sagar College of Engineering, Bengaluru, Karnataka 560078, India;1. Research Scholar, Production Engineering Department, PEC University of Technology, Sector 12, Chandigarh 160012, India;2. Assistant Professor, Production Engineering Department, PEC University of Technology, Sector 12, Chandigarh 160012, India;3. Associate Professor, Production Engineering Department, PEC University of Technology, Sector 12, Chandigarh 160012, India;4. Research Scholar, Production Engineering Department, PEC University of Technology, Sector 12, Chandigarh 160012, India;1. Thapar Institute of Engineering and Technology Patiala, India;2. Meerut Institute of Engineering & Technology, Meerut, India;1. Department of Chemistry, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala, 6C95581, India;2. Centre for Renewable Energy and Materials, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala, 695 581, India;1. Department of Chemistry, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala, 695581, India;2. Centre for Renewable Energy and Materials, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala, 695581, India |
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| Abstract: | Cerium oxide (CeO2) is one of the potential choices to be explored for the protection of aluminium from corrosion. However, usage of cerium ions for surface modification of aluminium would not yield any potential effect in aggressive marine environments. Metal matrix composites of aluminium can have all the merits of aluminium such as density, strength, ductility and cost. In the present study, corrosion of aluminium in saline environment was significantly suppressed by means of reinforcing the aluminium with cerium oxide. The presence of cerium oxide in the matrix did not facilitate the formation of Al2O3 which would cause potential reshift after few days due to the onset of pitting. The present results strongly lay emphasis on the potential scope of use of CeO2 for protection of aluminium in marine environments. |
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