An adaptation of the Schwickerath crack initiation test (ISO 9693) was used to determine the bonding strength between an anode support and three different cathodes with a solid oxide fuel cell interconnect. Interfacial elemental characterization of the interfaces was carried out by SEM/EDS analysis on fracture surfaces to investigate the bonding mechanisms. SEM/EDS of fresh fractures were also performed to determine the cohesion/adhesion mechanism of bonding. Calculations of the residual stresses were determined by finite element simulation using ANSYS, based on thermo-mechanical properties of the materials obtained by measurement, calculation or literature.
Determination of the bonding strength in solid oxide fuel cells’ interfaces by Schwickerath crack initiation test / Boccaccini, D. N.; Sevecek, O.; Frandsen, H. L.; Dlouhy, I.; Molin, S.; Charlas, B.; Hjelm, J.; Cannio, M.; Hendriksen, P. V.. - In: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY. - ISSN 0955-2219. - 37:11(2017), pp. 3565-3578. [10.1016/j.jeurceramsoc.2017.04.018]
Determination of the bonding strength in solid oxide fuel cells’ interfaces by Schwickerath crack initiation test
Boccaccini D. N.;Cannio M.;
2017
Abstract
An adaptation of the Schwickerath crack initiation test (ISO 9693) was used to determine the bonding strength between an anode support and three different cathodes with a solid oxide fuel cell interconnect. Interfacial elemental characterization of the interfaces was carried out by SEM/EDS analysis on fracture surfaces to investigate the bonding mechanisms. SEM/EDS of fresh fractures were also performed to determine the cohesion/adhesion mechanism of bonding. Calculations of the residual stresses were determined by finite element simulation using ANSYS, based on thermo-mechanical properties of the materials obtained by measurement, calculation or literature.
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