Corrosion Behaviour of Annealed 2205 Duplex Stainless Steel in Sulphuric Acid EnvironmentJournal: THE INTERNATIONAL JOURNAL OF BUSINESS MANAGEMENT AND TECHNOLOGY (Vol.2, No. 5)
Publication Date: 2018-09-30
Authors : Victor A. Adedayo;
Page : 108112-112
Keywords : Corrosion; corrosion behavior; stainless steel; duplex stainless steel;
This paper presents a study that investigates the corrosion behavior of annealed 2205 duplex stainless steel in sulphuric acid environment. Duplex 2205 stainless steel black bar in ASTM A276 was obtained and annealed in solite furnace for 45 minutes. A control sample which was not heat treated was also prepared. The annealed and the control samples which were metallographically prepared were then analyzed for corrosion behavior in sulphuric acid using potentiodynamic test/analysis. The potentiodynamic polarization plot generated showed that the annealed samples exhibit less corrosion resistance than the untreated samples, indicating that annealing heat treatment reduces the corrosion resistance of 2205 duplex stainless steel in sulphuric acid.
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