Hybrid epoxy-silane coatings for improved corrosion protection of Mg alloy
authors Brusciotti, F; Snihirova, DV; Xue, HB; Montemor, MF; Lamaka, SV; Ferreira, MGS
nationality International
journal CORROSION SCIENCE
author keywords Magnesium; Alloy; Organic coatings; EIS
keywords 2024-T3 ALUMINUM-ALLOY; AZ91D MAGNESIUM ALLOY; SOL-GEL COATINGS; SILICA HYBRIDS; SURFACE MODIFICATION; ORMOSIL COATINGS; AZ31; RESISTANCE; INHIBITORS; BEHAVIOR
abstract New hybrid epoxy-silane coatings, with added functionalities for improved performance and durability, were designed to increase the corrosion protection of magnesium alloys. The corrosion behavior of the coated AZ31 was studied through electrochemical impedance spectroscopy (EIS) in 0.05 M NaCl. The morphology and surface chemistry of the samples were also investigated through scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR) before and after immersion in the electrolyte. The new hybrid silane coatings showed a high resistance to corrosion that persisted throughout one-month immersion in a pH-neutral NaCl solution. (c) 2012 Elsevier Ltd. All rights reserved.
publisher PERGAMON-ELSEVIER SCIENCE LTD
issn 0010-938X
year published 2013
volume 67
beginning page 82
ending page 90
digital object identifier (doi) 10.1016/j.corsci.2012.10.013
web of science category Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering
subject category Materials Science; Metallurgy & Metallurgical Engineering
unique article identifier WOS:000313917700010
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