Fracture properties of nickel-based anodes for solid oxide fuel cells

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    Reliable assessment of structural integrity of fuel cells requires the knowledge of the mechanical properties of their individual components, in particular the fracture toughness. A technique is presented to measure the critical energy-release rate/fracture toughness of thin ceramic layers such as the anode material (NiO–YSZ) in a fuel cell. The approach involves a new specimen geometry which consists of a thin ceramic glued onto thick steel beams to form a double cantilever beam (DCB) specimen. The fracture toughness values, measured from truly sharp cracks, are obtained over a range of applied energy-release rates: from crack growth initiation to fast fracture.
    Original languageEnglish
    JournalJournal of the European Ceramic Society
    Issue number15
    Pages (from-to)3173-3179
    Publication statusPublished - 2010


    • Materials and energy storage
    • Light strong materials for energy purposes


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