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dc.contributor.authorPoornima, T.
dc.contributor.authorNayak, J.
dc.contributor.authorShetty, A.N.
dc.identifier.citationInternational Journal of Electrochemical Science, 2010, Vol.5, 1, pp.56-71en_US
dc.description.abstractThe corrosion behavior of aged and annealed sample of 18 Ni 250 grade maraging steel was investigated in phosphoric acid over a range of acid concentration and solution temperature by using electrochemical techniques like Tafel extrapolation and electrochemical impedance spectroscopy. The studies have revealed that the corrosion rate of both aged and annealed samples increase with increase in temperature and increase in concentration of phosphoric acid in the medium. The corrosion rate of annealed sample is found to be less than that of aged sample. The thermodynamic parameters like activation energy, enthalpy of activation and entropy of activation for the corrosion process were calculated. 2010 by ESG.en_US
dc.titleCorrosion of aged and annealed 18 Ni 250 grade maraging steel in phosphoric acid mediumen_US
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