Spheroidized AISI 1090 steel was electrolytically charged with hydrogen from a 1 normal sulfuric acid solution containing a recombination poison. Permeation, trapping and damage effects were studied as a function of cold work, charging current density, and time. Irreversible damage, manifested as void formation, was found to occur at a critical charging current density which decreased with increasing cold work. Voids formed when the hydrogen fugacity was sufficient to cause void growth by plastic deformation. Effects of microstructure were found to be similar to those in prior work using gas phase permeation techniques.

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National Association of Corrosion Engineers
1982
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