Electrochemical behaviour of zinc in 20 kHz sonicated NaOH electrolytes

  • M. L. Doche
  • , J. Y. Hihn
  • , F. Touyeras
  • , J. P. Lorimer
  • , T. J. Mason
  • , M. Plattes

    Research output: Contribution to journalArticlepeer-review

    37 Citations (Scopus)

    Abstract

    This paper describes the influence of 20 kHz ultrasound upon the corrosion behaviour of zinc in NaOH electrolytes. A systematic study of the effects exerted by ultrasound on the electrochemical interface was first carried out, so as to determine the transmitted power and to characterize mass transfer at the electrode. Then attention was focused on the corrosion passivation mechanism of zinc in sonicated NaOH solutions (0.1 and 1 M). Investigations were carried out using electrochemical techniques to determine corrosion and passivation kinetics parameters. SEM analysis of the sonicated zinc surfaces provides complementary information on the oxide layer composition and structure.

    Original languageEnglish
    Pages (from-to)291-298
    Number of pages8
    JournalUltrasonics Sonochemistry
    Volume8
    Issue number3
    Early online date8 Jun 2001
    DOIs
    Publication statusPublished - Jul 2001

    Keywords

    • NaOH electrolyte
    • Power ultrasound
    • Sonoelectrochemistry
    • Zinc corrosion

    ASJC Scopus subject areas

    • Environmental Chemistry
    • Chemical Engineering (miscellaneous)
    • Radiology Nuclear Medicine and imaging
    • Acoustics and Ultrasonics
    • Organic Chemistry
    • Inorganic Chemistry

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