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This work investigates the distribution of Chromium and Cobalt as well as other elements and their effect on the corrosion scale formation of ferritic-martensitic alloys under single and dual conditions. For this purpose, coupons of technical VM12-SHC alloy and model Fe-13Cr alloy were annealed at 600°C for 960 h in artificial flue gas. This kind of experiment represents the classical single condition corrosion test. To realize dual condition, an experimental setup was designed in such way that each face of the specimens could be in contact with a different atmosphere.
In this presentation the comparison between single and dual conditions will be evaluated in terms of phase composition of the scale and material loss. Preliminary results show clear deviations between both conditions in the distribution of chromium, as well as the diffusion outward of cobalt in the technical alloy.
In this presentation the drivers for the rise of hydrogen technologies are outlined and main challenges for the market ramp-up are shown. Finally, the activities and capabilities of the competence center H2Safety@BAM are characterized and some of the current projects at BAM adressing the main challenges for hydrogen technologies are presented focussing on the hydrogen transport and infrastructure.