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首页> 外文期刊>International Journal of Electrochemical Science >Effect of Cerium Acetate Doping on Corrosion Behavior of Sol-Gel Coatings on 2A12 Aluminum Alloy
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Effect of Cerium Acetate Doping on Corrosion Behavior of Sol-Gel Coatings on 2A12 Aluminum Alloy

机译：醋酸铈掺杂对2A12铝合金溶胶凝胶涂层腐蚀行为的影响

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摘要

Si-Zr hybrid sol-gel coatings on 2A12 aluminum substrate were prepared, and the effect of ceriumacetate (Ce(CH3COO)3) doping on corrosion behavior of the sol-gel coatings was examined. Thescanning electron microscopy (SEM) was employed to investigate the morphology of the coatings, andthe corrosion resistance of the coatings was evaluated by electrochemical methods and neutral saltspray tests. In addition, the structure and the inhibition mechanism of Ce(CH3COO)3 doped sol-gelcoatings were discussed by Fourier transform infrared (FTIR) analysis. It is indicated that properdoping concentration of Ce(CH3COO)3 can effectively improve the corrosion resistance of the sol-gelcoatings, while the higher concentration of Ce(CH3COO)3 would reduce the homogeneity and stabilityof the coatings, and further destroy the corrosion protection properties of the coatings.
机译：制备了在2A12铝基体上的Si-Zr杂化溶胶-凝胶涂层，并研究了乙酸铈（Ce（CH3COO）3）掺杂对溶胶-凝胶涂层腐蚀行为的影响。用扫描电子显微镜（SEM）研究了涂层的形貌，并通过电化学方法和中性盐雾试验评价了涂层的耐蚀性。另外，通过傅立叶变换红外光谱（FTIR）分析了掺Ce（CH3COO）3的溶胶-凝胶涂料的结构和抑制机理。结果表明，适当掺杂Ce（CH3COO）3可以有效提高溶胶-凝胶涂料的耐蚀性，而较高的Ce（CH3COO）3浓度会降低涂料的均匀性和稳定性，并进一步破坏其防腐性能。的涂料。

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