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|Title:||Plasma anodized ZE41 magnesium alloy sealed with hybrid epoxy-silane coating|
|Author:||Ivanou, D. K.|
Lisenkov, A. D.
Zheludkevich, M. L.
Xue, H. B.
Lamaka, S. V.
Ferreira, M. G. S.
AZ31B MG ALLOY
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|Abstract:||Anodic coatings on magnesium ZE41 alloy were formed by DC plasma electrolytic oxidation (PEO) in spark regime in solution composed of NaOH, Na2SiO3 and KF. The positive effect of poly(ethylene oxide) addition into the anodizing electrolyte on PEO process, anodic film porosity and its protective performance was described. Anodic films were sealed with hybrid epoxy-silane formulation. The corrosion behavior of the coated ZE41 was studied through electrochemical impedance spectroscopy (EIS) in 0.6 M NaCl solution. Resulting duplex PEO/epoxy-silane coating provides good protective performance without significant signs of corrosion during 1 month of immersion test. (C) 2013 Elsevier Ltd. All rights reserved.|
|Appears in Collections:||CICECO - Artigos|
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|Plasma anodized ZE41 magnesium alloy sealed with hybrid epoxy-silane coating_10.1016j.corsci.2013.04.019.pdf||2.99 MB||Adobe PDF|
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