Long-term effects of soft-chromising Ni-electroplated AISI 441 commodity steel for SOC stack interconnects
Source abstract
Abstract
Using commodity steel AISI 441 with Ni-based oxide coatings can facilitate large-scale interconnect manufacturing for solid oxide cell stacks, but adverse Ni-diffusion limits the high-temperature suitability. As a remedy, chromium is here added to the steel by a soft-chromising treatment. The (cyclic) oxidation resistance of virgin and soft-chromised AISI 441 is evaluated up to 8,300 hours at 780 °C, and further benchmarked against more commonly used Crofer 22 APU, with a Co(Mn)-spinel coating. Results revealed lowest isothermal oxidation kinetics for the soft-chromised, Ni-coated AISI 441, further preventing oxide spallation otherwise observed during thermal cycling of the virgin AISI 441 counterpart.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Solid Oxide Fuel Cells · Advanced ceramic materials synthesis · High-Temperature Coating Behaviors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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