Abstract
Long-term electrolytic hydrogen charging (for up to 30 h) causes failure of steel specimens (40KhNMA) and formation of branched dendrite precipitates. Results of x-ray spectral fluorescent analysis of the variation of the content of alloying elements in the specimens, in the precipitates, and in other samples, and measured data on the mass of the specimens and on the density of the steel before and after hydrogen charging are presented. The processes of diffusion of elements under the action of active hydrogen in the surface layer of steel specimens are analyzed. Special features of hydrogen charging under the action of a constant magnetic field are considered.
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