Enviar artigo por via de e-mail Super Hydrophobization of the Surface of Aluminum Alloy with Organic Acids to Protect Against Atmospheric Corrosion
- Autores: Semiletov A.1, Kudelina A.1,2, Kuznetsov Y.1
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Afiliações:
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
- Mendeleev University of Chemical Technology
- Edição: Volume 97, Nº 2 (2023)
- Páginas: 285-292
- Seção: ФИЗИЧЕСКАЯ ХИМИЯ ДИСПЕРСНЫХ СИСТЕМ И ПОВЕРХНОСТНЫХ ЯВЛЕНИЙ
- URL: https://journals.rcsi.science/0044-4537/article/view/136529
- DOI: https://doi.org/10.31857/S0044453723020243
- EDN: https://elibrary.ru/ELQAWA
- ID: 136529
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Resumo
The possibility is considered of obtaining superhydrophobic (SHP) protective films on surfaces of aluminum alloy D16. It is shown that laser treatment of the alloy and its subsequent modification in solutions of carboxylic and phosphonic acids results in superhydrophobization of its surface. The protective ability of the SHP coatings is determined from polarization measurements and corrosion tests in a salt spray chamber and an urban atmosphere. Electrochemical testing of samples of D16 alloy in a sodium chloride solution shows that SHP films effectively prevent its local depassivation. It is established that SHP films formed from solutions of octadecylphosphonic and stearic acids effectively prevent alloy corrosion under atmospheric conditions.
Sobre autores
A. Semiletov
Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
Email: semal1990@mail.ru
119071, Moscow, Russia
A. Kudelina
Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences; Mendeleev University of Chemical Technology
Email: semal1990@mail.ru
119071, Moscow, Russia; 125047, Moscow, Russia
Yu. Kuznetsov
Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
Autor responsável pela correspondência
Email: semal1990@mail.ru
119071, Moscow, Russia
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