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has been cited by the following article:

• TITLE: Effect of Chromium on the Corrosion Behavior of Powder-Processed Fe-0.6 wt % P Alloys

  AUTHORS: Yashwant Mehta, Shefali Trivedi, K. Chandra, P.S. Mishra

  KEYWORDS: Phosphoric Iron; Alloy; Polarization; Acid Corrosion; Alkaline Corrosion

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.11 No.9, September 25, 2012

  ABSTRACT: Phosphoric irons (i.e. Fe-P alloys containing low phosphorous in the range 0.1 to 0.7 wt. %) with/without addition of chromium were prepared by powder forging route. The corrosion behaviour of these alloys was studied in different environments. The various environments chosen were acidic (0.25 M H2SO4 solution of pH 0.6), neutral/marine (3.5 % NaCl solution of pH 6.8) and alkaline (0.5 M Na2CO3 + 1.0 M NaHCO3 solution of pH 9.4). The corrosion studies were conducted using Tafel Extrapolation and Linear Polarization techniques. The results were compared with the corrosion resistance of electrolytic Armco iron. It was observed that, chromium improved the resistance to corrosion in marine conditions only. Corrosion rates were higher in acid medium due to the enhanced hydrogen evolution and hence, the cathodic reaction. The corrosion rates were minimal in alkaline medium and low in neutral solution.