Intelligent Technologies for Research and Engineering

Volume: 2

Rate of Corrosion and its Methods: A Review

Author(s): Subbulakshmi Ganesan*, G. Padmapriya and Manoj Girish

Pp: 236-246 (11)

DOI: 10.2174/9789815165586124020023

* (Excluding Mailing and Handling)


Weight loss approach was used to investigate the corrosion characteristics of various metals found in varying concentrations of solutions containing acids. The degree of these metals' corrosion in 1–5 M HCL solutions was investigated for 24 hours. The order of metal corrosion is zinc > galvanized iron > copper >, whereas the order of aqueous media corrosion is HNO3 > H2SO4 > HCl. It has been observed that increasing concentration increases the corrosion potential. Further investigation into the dynamics of corrosion has demonstrated that the rate of reactivity in terms of metals rises with increasing solution concentration when the half-life decreases.

Keywords: Acid concentration, Duration of exposure, Reaction rate, Weight loss.

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