Abstract

It is shown that electrochemical methods yield reliable data for the solubility and diffusion of hydrogen in metals provided that care is taken with the measurements and their interpretation with regard to the electrochemical problems. The applicability of this method to investigations of the diffusion and solubility of hydrogen in palladium is demonstrated. Results for Sieverts' constant, the hydrogen diffusion coefficients and the activation energy of hydrogen diffusion in well-annealed palladium are presented. The influence of deformation on the diffusion and solubility behaviour is discussed as suggested by Kirchheim.

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