Corrosion Protection and Delamination Mechanism of Epoxy/Carbon Black Nanocomposite Coating on AA2024-T3
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Direct Electrosynthesis of Polyaniline–Fe2O3 Nanocomposite Coating on Aluminum Alloy 5052 and Its Corrosion Protection Performance
The synthesis of polyaniline- Fe2O3 nanocomposite coating on aluminum Alloy 5052 (AA5052) surface has been investigated by using the galvanostatic method. The anticorrosion performance of polyaniline-Fe2O3 coating was investigated in 3.5% NaCl solution by the open- circuit potential (OCP), Tafel polarization technique and Electrochemical Impedance Spectroscopy (EIS). The corrosion rate of polya...
متن کاملdirect electrosynthesis of polyaniline–fe2o3 nanocomposite coating on aluminum alloy 5052 and its corrosion protection performance
the synthesis of polyaniline- fe2o3 nanocomposite coating on aluminum alloy 5052 (aa5052) surface has been investigated by using the galvanostatic method. the anticorrosion performance of polyaniline-fe2o3 coating was investigated in 3.5% nacl solution by the open- circuit potential (ocp), tafel polarization technique and electrochemical impedance spectroscopy (eis). the corrosion rate of polya...
متن کاملThe corrosion protection of AA2024-T3 aluminium alloy by leaching of lithium-containing salts from organic coatings.
Lithium carbonate and lithium oxalate were incorporated as leachable corrosion inhibitors in model organic coatings for the protection of AA2024-T3. The coated samples were artificially damaged with a scribe. It was found that the lithium-salts are able to leach from the organic coating and form a protective layer in the scribe on AA2024-T3 under neutral salt spray conditions. The present paper...
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In this work, polypyrrole/CeO2 nanocomposite (NC) was synthesized in the presence of methylorange as a reactive self-degraded soft template. The field emission scanning electron microscopy(FESEM) images indicate that the CeO2 NPs have a nucleus effect and cause a homogenous PPycore–shell type morphology with an encapsulation of the CeO2 core by the PPy shell. The effect ofNC on acrylic waterbor...
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The inherent reactivity of the Al–Cu alloys is such that their use for structural, marine, and aerospace components and structures would not be possible without prior application of a corrosion resistance system. Historically these corrosion resistance coatings were based on the use of chemicals containing Cr (VI) compounds. Silane coatings are of increasing interest in industry due to th...
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ژورنال
عنوان ژورنال: Journal of The Electrochemical Society
سال: 2013
ISSN: 0013-4651,1945-7111
DOI: 10.1149/2.086304jes