Hydrogen Degradation of High-Strength Weldable Steels in Seawater

Thermal Desorption Analysis of Hydrogen in Non-hydrogen-Charged Rolling Contact Fatigue-Tested 100Cr6 Steel

“…The regeneration time, or time span between contact load cycles, could also be thought to effect the steel-to-steel contact duration. Regeneration times in rollers are lower than the raceway, this would in turn effect the time ('wear time') for oxide film to regenerate, hydrogen diffusion being inhibited by the protective passivating reaction layer at the surface where a nascent surface is needed for electrochemical desorption and chemisorption to occur [59,60]. This conflicts with the results found in this study where negligible hydrogen concentrations are measured in the raceway relative to the rollers, and this discrepancy is, however, not fully understood given that similar test conditions and material were used.…”

Influence of dissolved hydrogen on the fatigue crack growth behaviour of AISI 4140 steel

“…Moreover, this effect increases with the hydrogen concentration [83]. An accumulation of hydrogen causes lattice dilation in the steel resulting in the generation of strain fields that increase the internal energy.…”

“…The austempered samples (AB1) had higher hardness and strength as seen in Table 2. This higher strength may have resulted making the material more susceptible for accelerated crack growth [75,78,[83][84][85].…”

Corrosion resistance of high-Mn austenitic steels for the automotive industry

“…Typical examples are hydrogen failures of gas pipelines containing hydrogen sulfide (Cottis & Newman, 1995;Ćwiek, 2009). Conventional Cr-Ni austenitic steels are not usually liable to such damages.…”