Abstract
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 language | English |
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Title of host publication | Advances in Solid Oxide Fuel Cells |
Volume | 2 |
Publication date | 2007 |
Pages | 347-360 |
ISBN (Print) | 978-0-470-08054-2 |
Publication status | Published - 2007 |
Event | 30th International Conference on Advanced Ceramics and Composites: Advances in Solid Oxide Fuel Cells 2 - Cocoa Beach, Fl, United States Duration: 22 Jan 2006 → 26 Jan 2006 Conference number: 30 |
Conference
Conference | 30th International Conference on Advanced Ceramics and Composites |
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Number | 30 |
Country/Territory | United States |
City | Cocoa Beach, Fl |
Period | 22/01/2006 → 26/01/2006 |
Series | Ceramic Engineering and Science Proceedings |
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Number | 4 |
Volume | 27 |
ISSN | 0196-6219 |