Abstract:The specially designed, fully equipped, and computerized devices for the underwater long-term measurements have been used to study the hydrogen permeation rate through the structural steels under natural sea water conditions. By applying constant cathodic potentials, the polarization current and the hydrogen permeation rate were recorded. The temperature and the concentration of S À2 ions in sea water were also measured. After the tests, the concentration of residual hydrogen in samples and the chemistry of th… Show more
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