Failure Modes of thin supported Membranes

Peter Vang Hendriksen, J.R. Høgsberg, Ane Mette Kjeldsen, Bent F. Sørensen, H.G. Pedersen

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    Four different failure modes relevant to tubular supported membranes (thin dense films on a thick porous support) were analyzed. The failure modes were: 1) Structural collapse due to external pressure 2) burst of locally unsupported areas, 3) formation of surface cracks in the membrane due to TEC-mismatches, and finally 4) delamination between membrane and support due to expansion of the membrane on use. Design criteria to minimize risk of failure by the four different modes are discussed. The theoretical analysis of the two last failure modes is compared to failures observed on actual components.
    Original languageEnglish
    Title of host publicationAdvances in Solid Oxide Fuel Cells
    Publication date2007
    ISBN (Print)978-0-470-08054-2
    Publication statusPublished - 2007
    Event30th International Conference on Advanced Ceramics and Composites: Advances in Solid Oxide Fuel Cells 2 - Cocoa Beach, Fl, United States
    Duration: 22 Jan 200626 Jan 2006
    Conference number: 30


    Conference30th International Conference on Advanced Ceramics and Composites
    Country/TerritoryUnited States
    CityCocoa Beach, Fl
    SeriesCeramic Engineering and Science Proceedings


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