The effect of atmospheric corona treatment on AA1050 aluminium

Publication: Research - peer-reviewJournal article – Annual report year: 2010

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The effect of atmospheric corona discharge on AM 050 aluminium surface was investigated using electrochemical polarization, SEM-EDX, FIB-SEM. and XPS. The corona treatment was performed with varying time (1, 5, and 15 min) in atmospheric air. A 200 nm oxide layer was generated on AA1050 after the 15 min air corona treatment. A significant reduction in anodic and cathodic reactivities was observed starting from 1 min exposure, which further decreased with prolonged exposure (15 min) and after delayed testing (after 30 days). The reduction in surface reactivity is due to the formation of thicker and denser oxide film.
Original languageEnglish
JournalCorrosion Science
Publication date2010
Volume52
Journal number6
Pages2155-2163
ISSN0010-938X
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 2

Keywords

  • Oxide coatings, Aluminium, Polarization
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