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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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Du, Y.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2023Kinetic and structural insights into the grain boundary phase transitions in Ni-Bi alloyscitations
- 2022In situ thermal annealing transmission electron microscopy of irradiation induced Fe nanoparticle precipitation in Fe–Si alloycitations
- 2022In situ thermal annealing transmission electron microscopy of irradiation induced Fe nanoparticle precipitation in Fe–Si alloycitations
- 2017Experimental and thermodynamic description of ternary Bi-Cu-Ga systemcitations
- 2017Modeling of Ni Diffusion Induced Austenite Formation in Ferritic Stainless Steel Interconnectscitations
- 2017Modeling of Ni Diffusion Induced Austenite Formation in Ferritic Stainless Steel Interconnectscitations
- 2017Local probing of magnetoelectric properties of PVDF/Fe<inf>3</inf>O<inf>4</inf> electrospun nanofibers by piezoresponse force microscopycitations
- 2016Resin-assisted solvothermal synthesis of transition metal-organic frameworks.citations
- 2015Grain boundary diffusion and precipitates in B2 Ti-50.2 at.% Ni alloycitations
- 2015Modeling of Ni Diffusion Induced Austenite Formation in Ferritic Stainless Steel Interconnectscitations
- 2015Modeling of Ni Diffusion Induced Austenite Formation in Ferritic Stainless Steel Interconnectscitations
- 2015Dominance of interface chemistry over the bulk properties in determining the electronic structure of epitaxial metal/perovskite oxide heterojunctionscitations
- 2015Ti and Ni grain boundary diffusion in B2 NiTi compoundcitations
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article
Modeling of Ni Diffusion Induced Austenite Formation in Ferritic Stainless Steel Interconnects
Abstract
Ferritic stainless steel interconnect plates are widely used in planar solid oxide fuel cell (SOFC) or electrolysis cell (SOEC) stacks. During stack production and operation, nickel from the Ni/YSZ fuel electrode or from the Ni contact component diffuses into the IC plate, causing transformation of the ferritic phase into an austenitic phase in the interface region. This is accompanied with changes in volume and in mechanical and corrosion properties of the IC plates. In this work, kinetic modeling of the inter-diffusion between Ni and FeCr based ferritic stainless steel was conducted, using the CALPHAD approach with the DICTRA software. The kinetics of inter-diffusion and austenite formation was explored in full detail, as functions of layer thickness, temperature, time, and steel composition. The simulation was further validated by comparing with experimental results. Growth of the austenite phase in commercial interconnect materials is predicted to take place under practical stack operation conditions.<br/><br/>© 2015 ECS - The Electrochemical Society