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

Publication: Research - peer-reviewJournal article – Annual report year: 2010

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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
JournalEuropean Ceramic Society. Journal
Publication date2010
Volume30
Issue15
Pages3173-3179
ISSN0955-2219
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 4

Keywords

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