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Title
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Self-assembly of coumarin molecules on plasma electrolyzed layer for optimizing the electrochemical performance of AZ31 Mg alloy
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Type
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JournalPaper
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Keywords
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Mg alloy; Hybrid coating; Coumarin; Porous layer; Corrosion; DFT
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Abstract
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A novel inorganic-organic layer with outstanding corrosion resistance in a 3.5wt.% NaCl solution was fabricated by taking advantage of the unique interactions between coumarin (COM) molecules and the porous layer formed on Mg alloy. To achieve this aim, the AZ31 Mg alloy coated via microarc oxidation (MAO) coating was placed in an ethanolic solution of COM for 6 and 12 h at 25 °C. By reducing the surface area exposed to the corrosive species, the donor-acceptor complexes produced by the particular interactions between the COM and MAO surface would successfully prevent the corrosion of Mg alloy substrate.
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Researchers
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Arash Fattah-alhosseini (Fourth Researcher), Ali Dafali (Third Researcher), Burak Dikici (Second Researcher), Mosab Kaseem (First Researcher)
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