Study of corrosion protection of the composite films on A356 aluminum alloy |
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| Authors: | SUN Huanhuan WANG Hui MENG Fanling Norsom Motors Company Limited Shenyang China) |
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| Affiliation: | SUN Huanhuan1,WANG Hui2,MENG Fanling1(1.School of Materials Science and Engineering,Shenyang Ligong University,Shenyang 110159,China,2.Norsom Press Shop,Shanghai GM(Shenyang) Norsom Motors Company Limited,Shenyang 110044,China) |
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| Abstract: | Composite films were fabricated on A356 aluminum alloy by combined anodizing and rare earth deposition.The corrosion protection effect and corrosion behavior of the composite films in 3.5% NaCl solution were studied by electrochemical impedance spectroscopy(EIS).SEM observation indicated that the rare earth Ce film completely sealed the porous structure of the anodic film,and the compositefilms composed of anodic film and Ce film were compact and integrated.According to the characteristics of EIS,the EIS pl... |
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| Keywords: | aluminum alloy anodizing rare earth Ce film EIS corrosion resistance |
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