Influence of aluminium microstructure on corrosion and Corrosion inhibitor performance in acidic medium

  • S. A. Umoren
  • , Y. Li*
  • , F. H. Wang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The corrosion behaviour of aluminium with two different microstructures namely polycrystalline (pc-Al) and microcrystalline aluminium coating (mc-Al) fabricated from the polycrystalline Al target by magnetron sputtering in 0.1M H2SO4 solution was studied. The corrosion inhibiting effect of polyacrylamide (PA) was also investigated. Results show that surface microcrystallization increases the corrosion susceptibility of aluminium leading to increase in the kinetics of the anodic dissolution. PA was found to reduce the corrosion rates of both Al samples. Inhibition efficiency of PA was concentration dependent and was more pronounced on the mc-Al specimen.

Original languageEnglish
Pages (from-to)189-196
Number of pages8
JournalJournal of Materials and Environmental Science
Volume1
Issue number3
StatePublished - 2010
Externally publishedYes

Keywords

  • Aluminium
  • Microcrostructure
  • Polyacrylamide

ASJC Scopus subject areas

  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution
  • Materials Chemistry

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