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Influence of frequency of alternating current on the electrochemical dissolution of mild steel and nickel

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Abstract

The electrochemical dissolution of mild steel and nickel in hydrochloric acid and sulphuric acid has been studied with alternating current of varying frequencies. For both mild steel and nickel the current efficiency decreases exponentially with increasing frequency. With increasing current density (32 to 100 mA cm−2) and increasing acid concentration (0.5 to 2.0 N), the current efficiency increases. Mild steel is dissolved more efficiently in sulphuric acid than hydrochloric acid but the reverse is true for nickel.

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Authors and Affiliations

  1. Department of Metallurgical Engineering, Indian Institute of Technology, 400076, Bombay, India

    S. Z. Fernandes, S. G. Mehendale & S. Venkatachalam

Authors
  1. S. Z. Fernandes
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  2. S. G. Mehendale
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  3. S. Venkatachalam
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Fernandes, S.Z., Mehendale, S.G. & Venkatachalam, S. Influence of frequency of alternating current on the electrochemical dissolution of mild steel and nickel. J Appl Electrochem 10, 649–654 (1980). https://doi.org/10.1007/BF00615488

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  • DOI: https://doi.org/10.1007/BF00615488

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