Impacts of the black clay soil moisture on the corrosion and cathodic protection performance of the API X70 Pipeline
Keywords:Soil moisture, Buried steel, Electromechanical Behaviour, Numerical Simulation, Cathodic Protection
The impact of the black clay soil moisture of Skikda (East of Algeria), on the corrosion cathodic protection performance of the API X70 pipeline was studied in this paper. To achieve this objective, first, electrochemical analysis has been carried out. Then, in order the show impact of the black clay soil moisture of Skikda on the cathodic protection of the API X70 Pipeline, the corrosion parameters of the API X70 steel pipeline obtained by electrochemical measurements such as Tafel slopes, corrosion current densities, and corrosion potentials were used as boundary conditions in the elaborated cathodic protection model. The obtained results show that the corrosion current I corr is directly proportional to the moisture content up to 50 wt. %, with a potential shift towards the more electronegative values. The cathodic protection perfermance has been well proven in black soil at 100 wt. % moisture contents.
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Copyright (c) 2020 R. HENDI, H. SAIFI, K. BELMOKRE, M. OUADAH
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