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A groundbreaking study highlights how combining epoxy resin, silica, and graphene oxide significantly enhances the corrosion resistance and mechanical properties of aluminum surfaces.
Innovative hybrid coatings with graphene oxide boost durability for aerospace aluminum. Image source: Comfreak - Pixabay (symbol image).
Researchers recently developed a hybrid epoxy coating incorporating silica (SiO2) and graphene oxide (GO) to protect aluminum Al6061-T5 against corrosion in aerospace applications. The study evaluated three material variations with GO concentrations of 0%, 0.1%, and 0.5%.
Enhanced Hydrophobicity and Corrosion Resistance
Contact angle measurements demonstrated the coatings’ hydrophobic nature, with GO forming an effective anti-corrosive barrier. The 0.5% GO variant emerged as the most efficient solution, ensuring long-term protection for aluminum surfaces in harsh environments.
Source: Journal of Coatings Technology and Research, Volume 21, pages 559–574, 2024.
source：european-coatings
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