Abstract
IN their communication under the above heading, Messrs. Le Brocq and Cocks1 redirect attention to a point that has been too often overlooked: namely, that the effectiveness of a metal as the cathode in a bimetallic corrosion system where hydrogen is evolved is dependent more upon the hydrogen overvoltage characteristics of the metal than upon its equilibrium single-potential in the electromotive series.
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References
Le Brocq, L. F., and Cocks, H. C., Nature, 156, 536 1945).
Hoar, T. P., J. Electrodepos. Tech. Soc., 14, 33 (1938). Met. Ind., 51, 649 (1937); 52, 87 (1938).
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Pourbaix, M., Chim. Ind., 41, 110c (1939).
Wagner, C., and Traud, W., Z. Elektrodiem., 44, 391 (1938).
Gatty, O., and Spooner, E. C. R., "The Electrode Potential Behaviour of Corroding Metals" (O.U.P., 1938).
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HOAR, T. Hydrogen Overvoltage as a Factor in the Corrosion of Metallic Couples. Nature 157, 408–409 (1946). https://doi.org/10.1038/157408c0
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DOI: https://doi.org/10.1038/157408c0
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