Oxidation study of porous metal substrates for metal supported proton ceramic electrolyzer cells
Source abstract
Abstract
Isothermal corrosion of coated and uncoated porous, ferritic stainless steel (Höganäs), with 20.6 wt% Cr and 30–35 % porosity, has been studied at temperatures from 600 to 800 °C in air and 2.5 %H2O/5 %H2/Ar. Uncoated specimens form protective Cr2O3 scales following parabolic kinetics at 600 and 700 °C in air and at 800 °C in 2.5 %H2O/5 %H2/Ar. Non protective scales were formed in 2.5 %H2O/5 %H2/Ar at 600 and 700 °C and at 800 C in air. The coating overall improves the corrosion behavior. The scaling behavior was explained from Fe-Cr-O2 stability diagrams and ratios between consumption and feed of Cr at the alloy-oxide interface.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Solid Oxide Fuel Cells · Nuclear Materials and Properties · Hydrogen embrittlement and corrosion behaviors in metals
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (41)
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