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Journal of Coatings Technology and Research

Erschienen in:

15.09.2015

Electrochemical investigation of the epoxy nanocomposites containing MnAl₂O₄ and CoAl₂O₄ nanopigments applied on the aluminum alloy 1050

verfasst von: E. Ghasemi, B. Ramezanzadeh, S. Saket, S. Ashhari

Erschienen in: Journal of Coatings Technology and Research | Ausgabe 1/2016

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Abstract

The MnAl₂O₄ and CoAl₂O₄ nanopigments were synthesized through solution combustion method. The nanopigments extracts in the 3.5 wt% NaCl solution were prepared. Electrochemical impedance spectroscopy (EIS) and linear polarization (LP) techniques were utilized to investigate the corrosion inhibition properties of the pigments in the solutions containing pigments extracts. The epoxy nanocomposites were prepared and applied on the aluminum specimens. EIS and pull-off measurements were performed to characterize the corrosion protection properties of the epoxy nanocomposites. It was revealed that the MnAl₂O₄ pigment showed higher corrosion inhibition properties than CoAl₂O₄ in the solution phase. In addition, MnAl₂O₄ enhanced the corrosion resistance and decreased the adhesion loss of the epoxy coating on the aluminum substrate significantly. The MnAl₂O₄ nanopigment improved the corrosion resistance of the epoxy coating through increasing the barrier performance and releasing inhibitive species.

Vorheriger Artikel Ultrasonic coating of nanofibrous webs: a feasible approach to photocatalytic water filters

Nächster Artikel Dip-coating for dodecylphosphonic acid derivatization on aluminum surfaces: an easy approach to superhydrophobicity

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Titel: Electrochemical investigation of the epoxy nanocomposites containing MnAl2O4 and CoAl2O4 nanopigments applied on the aluminum alloy 1050
verfasst von: E. Ghasemi
B. Ramezanzadeh
S. Saket
S. Ashhari
Publikationsdatum: 15.09.2015
Verlag: Springer US
Erschienen in: Journal of Coatings Technology and Research / Ausgabe 1/2016
Print ISSN: 1547-0091
Elektronische ISSN: 1935-3804
DOI: https://doi.org/10.1007/s11998-015-9728-6

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