Ce nanoparticles and sol-gel hybrid organic-inorganic coatings maximize corrosion protection in the anodized AA2024-T3
OMP Ramirez, TM Kremmer, JH Marin, BP Da Silva… - Corrosion …, 2023 - Elsevier
Corrosion Science, 2023•Elsevier
We demonstrate that the corrosion resistance of the AA2024-T3 alloy can be maximized with
the application of top protective sol-gel hybrid organic-inorganic coatings. Samples
combining Ce nanoparticles within the pores of the anodic layer with the top sol-gel coatings
were observed to outperform samples featuring only the coating. This research unravels the
self-healing capability against corrosion of the sol-gel coating when Ce nanoparticles are
present, as well as a good coverage of defective regions within the oxide by the hybrid layer …
the application of top protective sol-gel hybrid organic-inorganic coatings. Samples
combining Ce nanoparticles within the pores of the anodic layer with the top sol-gel coatings
were observed to outperform samples featuring only the coating. This research unravels the
self-healing capability against corrosion of the sol-gel coating when Ce nanoparticles are
present, as well as a good coverage of defective regions within the oxide by the hybrid layer …
Abstract
We demonstrate that the corrosion resistance of the AA2024-T3 alloy can be maximized with the application of top protective sol-gel hybrid organic-inorganic coatings. Samples combining Ce nanoparticles within the pores of the anodic layer with the top sol-gel coatings were observed to outperform samples featuring only the coating. This research unravels the self-healing capability against corrosion of the sol-gel coating when Ce nanoparticles are present, as well as a good coverage of defective regions within the oxide by the hybrid layer. This research opens a paradigm aiming at maximizing the corrosion resistance for non-ferrous anodized alloys.
Elsevier
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