| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Bowen, Jacob R.
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2020Enhanced Electromechanical Response in Sm and Nd Co-doped Ceriacitations
- 2018Deposition of highly oriented (K,Na)NbO 3 films on flexible metal substratescitations
- 2018Deposition of highly oriented (K,Na)NbO3 films on flexible metal substratescitations
- 2017Lattice constant measurement from electron backscatter diffraction patternscitations
- 20173D printed barium titanate/poly-(vinylidene fluoride) nano-hybrid with anisotropic dielectric propertiescitations
- 2014On the accuracy of triple phase boundary lengths calculated from tomographic image datacitations
- 2013Transmission Electron Microscopy Specimen Preparation Method for Multiphase Porous Functional Ceramicscitations
- 2013Transmission Electron Microscopy Specimen Preparation Method for Multiphase Porous Functional Ceramicscitations
- 2013Ion beam polishing for three-dimensional electron backscattered diffractioncitations
- 2013Two and three dimensional electron backscattered diffraction analysis of solid oxide cells materials
- 2013Diffusion of Nickel into Ferritic Steel Interconnects of Solid Oxide Fuel/Electrolysis Stackscitations
- 2013Diffusion of Nickel into Ferritic Steel Interconnects of Solid Oxide Fuel/Electrolysis Stackscitations
- 2012Effects of focused ion beam milling on electron backscatter diffraction patterns in strontium titanate and stabilized zirconiacitations
- 2012Durable and Robust Solid Oxide Fuel Cells
- 2010Texture evolution during tensile necking of copper processed by equal channel angular extrusioncitations
- 2010Quantitative data analysis methods for 3D microstructure characterization of Solid Oxide Cells
- 2008Nanoscale chemical analysis and imaging of solid oxide cellscitations
- 2004Microstructural parameters and flow stress in Al-0.13% Mg deformed by ECAE processingcitations
- 2003The effect of coarse second-phase particles on the rate of grain refinement during severe deformation processingcitations
- 2002First Joint Chinese-Danish Symposium: Characterisation of Microstructures. Extended abstracts
- 2002Orientation correlations in aluminium deformed by ECAEcitations
- 2002Orientation correlations in aluminium deformed by ECAEcitations
Places of action
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article
Diffusion of Nickel into Ferritic Steel Interconnects of Solid Oxide Fuel/Electrolysis Stacks
Abstract
Stainless steels are used as interconnects in Solid Oxide Fuel Cell/Electrolysis stacks. Their high temperature corrosion resistance has been studied mainly to describe oxide scale formation processes. Other corrosion/degradation processes may also be of relevance to overall life time, for example diffusion of nickel from the Ni/YSZ electrode or the contact layer into the interconnect plate. Such diffusion can cause austenization of the ferritic structure and could possibly alter corrosion properties of the steel. Whereas this process has already been recognized by SOFC stack developers, only a limited number of studies have been devoted to the phenomenon. Here, diffusion of Ni into ferritic Crofer 22 APU steel is studied in a wet hydrogen atmosphere after 250 hours of exposure at 800 °C using Ni-plated (~ 10 micron thick coatings) sheet steel samples as a model system. Even after this relatively short time all the metallic nickel in the coating has reacted and formed solid solutions with iron and chromium.Diffusion of Ni into the steel causes formation of the austenite FCC phase. The microstructure and composition of the oxide scale formed on the sample surface after 250 hours is similar to the one observed with no Ni coating. The results show that over the time studied the overall corrosion rate of the interconnect in wet hydrogen is not affected by the Ni diffusion and formation of the austenitic phase.