Surface Characterization of Mild Steel During Atmospheric Corrosion After Being Treated by Sodium Dihydrogen Orthophosphate

  • Huseyin SaricimenEmail author
  • Ramazan Kahraman
  • Zuhair Malaibari
  • Md. Abdur Rauf
Physicochemical Problems of Materials Protection


The objective of this study was to characterize the surfaces of the steel products produced locally during their exposure to the industrial and marine atmosphere of the Arabian Gulf region after being treated by sodium dihydrogen orthophosphate. Corrosion rates were determined by weight loss measurements. Sodium dihydrogen orthophosphate performed well throughout the test period. At the end of the exposure duration of 180 days, the corrosion rates of 10 mM sodium dihydrogen orthophosphate treated specimens were 71% of the corrosion rates of the untreated specimens. At certain periods of atmospheric exposure, the (disc shape) specimens were retrieved and studied by SEM and EDS surface analysis techniques. Analysis of the specimens by SEM and EDS at different exposure periods showed that sodium dihydrogen orthophosphate treated surfaces had much lower number of corrosion blisters than those on untreated surfaces at the same period of exposure. They were also smaller in size.


corrosion inhibitors steel atmospheric corrosion sodium dihydrogen orthophosphate SEM EDS 


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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • Huseyin Saricimen
    • 1
    • 5
    Email author
  • Ramazan Kahraman
    • 2
  • Zuhair Malaibari
    • 3
  • Md. Abdur Rauf
    • 4
  1. 1.Research Institute Engineering DepartmentKing Fahd University of Petroleum and MineralsDhahranSaudi Arabia
  2. 2.Department of Chemical EngineeringQatar UniversityDohaQatar
  3. 3.Chemical Engineering DepartmentKing Fahd University of Petroleum and MineralsDhahranSaudi Arabia
  4. 4.Department of Chemical and Petroleum EngineeringUAE UniversityAl AinUAE
  5. 5.Department of Industrial EngineeringYalova University, Merkez Yerleşkesi, Çınarcık Yolu ÜzeriYalovaTurkey

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