Super Hydrophobization of the Surface of Aluminum Alloy with Organic Acids to Protect Against Atmospheric Corrosion

Мұқаба

Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Тек жазылушылар үшін

Аннотация

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.

Авторлар туралы

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

Хат алмасуға жауапты Автор.
Email: semal1990@mail.ru
119071, Moscow, Russia

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© А.М. Семилетов, А.А. Куделина, Ю.И. Кузнецов, 2023