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EFFECT OF CHLORIDE IONS ON THE PASSIVE LAYER FORTHREE AL-ALLOYS AT PH=9 | ||
| Journal of Al-Nahrain University - Science | ||
| Article 1, Volume 12, Issue 3, 2009, Pages 23-32 | ||
| Authors | ||
| Rana A. Majed; Ahlam M. Farhan; Naema A. Hikmat | ||
| Abstract | ||
| AbstractThis work involves the study of the effect of chloride ion on the passive layerwhich is formed on the surface of three aluminium alloys (Al-Cu-Mg), (Al-Mg), and (Al-Zn). Theconcentrations of chloride ion used were (1x10-3, 1x10-2, 0.1 mol.dm-3). The study was performed in1x10-5 mol.dm-3 NaOH solution which was corresponded to pH value of (9). The data ofpolarization behaviour were calculated by Tafel extrapolation method and the comparison of thisdata in the absence and presence of chloride ions were discussed. | ||
| Keywords | ||
| Effect of Chloride ions; Aluminium alloys; Corrosion of Al alloy; Polarization behavior | ||
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