Evaluation of the Pitting Potential of Modified Aluminum Alloys in Arabian Gulf Water by Potentiostatic and Potentiodynamic Methods

  • Zaki Ahmad
  • , Abdul Aleem

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The pitting potential of modified aluminum alloys have been evaluated by potentiodynamic and potentiostatic techniques. It has been observed that pitting potential obtained by potentiodynamic technique does not allow accurate predictions to be made and the results do not agree with the more reliable long term studies. On the other hand the values of Evobtained by potentiostatic induction time technique provide a fairly accurate measure of pitting resistance of modified aluminum alloys. The results are also in agreement with the long term exposure studies.

Original languageEnglish
Pages (from-to)487-494
Number of pages8
JournalZairyo-to-Kankyo
Volume44
Issue number9
DOIs
StatePublished - 1995
Externally publishedYes

Keywords

  • (Epp)
  • Potentiostatic polarization
  • pitting potential (Ep)
  • potentiodynamic polarization
  • protection potential
  • scanning rate (potential sweep)

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrochemistry
  • Materials Chemistry

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