Total views : 61
Cathodic Protection of Steel Reinforcement using Pure Magnesium Anode
Cathodic Protection to the embedded steel in concrete was established using sacrificial pure magnesium anode to prevent the corrosion of reinforcement. Two slabs were casted one containing 3.5% sodium chloride with respect to weight of cement and the other without NaCl. Both the slabs were provided with cathodic protection of pure Magnesium anode. Half cell potential measurements with Standard Calomel Electrode as reference electrode were taken at regular intervals and for a number of days. It could be observed that the potential of the slab decreased with increase in distance from the anode and reduced with time. Thus, magnesium anode was found to shift the potential of steel to more negative potential initially and later towards less negative potentials with respect to time. It could be concluded that use of Magnesium anode could prove to be an effective means of corrosion prevention.
Corrosion Prevention, Cathodic Protection, Chloride Induced Corrosion, Mg Aanode
- Parthiban G.T., Thirumalai Parthiban, Ravi R., Saraswathy V., Palaniswamy N. and Sivan V. Cathodic protection of steel in concrete using magnesium alloy anode, Corrosion Science. 2008. p. 3329−35, Crossref.
- Parthiban G.T., Saraswathy V. and Rengaswamy S. Cathodic protection of steel in concrete using magnesium alloy anode, Bulletin of Electrochemistry. 2000; p. 253−57.
- Shi X, Xie N, Fortune K. and Gong J. Durability of steel reinforced concrete in chloride environments: an overview, Construction Building Materials. 2012; p. 125−38. Crossref.
- Parthiban G.T., Bharanidhara K., Dhayanand D., Thirumalai Parthiban, Palaniswamy N. and Sivan V. Influence of sacrificial cathodic protection on the chloride profile in concrete, International Journal of Electrochemical Science. 2008; p.1162−68.
- Charis A. Apostolopoulos, Sotiris Demis and Vagelis G.Papadakis. Chloride-induced corrosion of steel reinforcement – mechanical performance and pit depth analysis, Construction and Building Materials. 2013; p. 139−46.Crossref.
- Sekar A.S.S., Saraswathy V. and Parthiban G.T. Cathodic protection of steel in concrete using conductive polymer overlays, International Journal of Electrochemical Science.2007; p. 872−82.
- Zhang R., Castel A. and Francois R. The corrosion pattern of reinforcement and its influence on serviceability of reinforced concrete members in chloride environment, Cement and Concrete Research. 2009; p. 1077−86. Crossref.
- Raupach M. Chloride-induced macro-cell corrosion of steel in concrete – theoretical background and practical consequences, Construction and Building Materials. 1996; p. 329−38. Crossref.
- There are currently no refbacks.
This work is licensed under a Creative Commons Attribution 3.0 License.