Comparative study of the pitting corrosion resistance , passivation behavior and metastable pitting activity of NO 7718 , NO 7208 and 439 L super alloys in chloride / sulphate media

Comparative study of the corrosion resistance and passivation characteristics of NO7718, NO7208 and SS439L super alloys in 4 M H2SO4 media at 0–6% NaCl concentration was done by potentiodynamic polarization, open circuit potential measurement and optical microscopic analysis. The metal alloys showed relatively high resistance to corrosion as variation in Cl… CONTINUE READING