Chapter 34. Failure Modes of Thin Supported Membranes

  1. Narottam P. Bansal,
  2. Andrew Wereszczak and
  3. Edgar Lara-Curzio
  1. P. V. Hendriksen1,
  2. J. R. Høgsberg1,
  3. A. M. Kjeldsen1,
  4. B. F. Sørensen1 and
  5. H. G. Pedersen2

Published Online: 26 MAR 2008

DOI: 10.1002/9780470291337.ch34

Advances in Solid Oxide Fuel Cells II: Ceramic Engineering and Science Proceedings, Volume 27, Issue 4

Advances in Solid Oxide Fuel Cells II: Ceramic Engineering and Science Proceedings, Volume 27, Issue 4

How to Cite

Hendriksen, P. V., Høgsberg, J. R., Kjeldsen, A. M., Sørensen, B. F. and Pedersen, H. G. (2006) Failure Modes of Thin Supported Membranes, in Advances in Solid Oxide Fuel Cells II: Ceramic Engineering and Science Proceedings, Volume 27, Issue 4 (eds N. P. Bansal, A. Wereszczak and E. Lara-Curzio), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470291337.ch34

Author Information

  1. 1

    Materials Research Department, Risø National Laboratory, Denmark Frederiksborgvej 399, P. O. Box 49 DK-4000 Roskilde, Denmark

  2. 2

    Haldor Topsøe A/S Nymøllevej 55 DK-2800 Lyngby, Denmark

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 2006

ISBN Information

Print ISBN: 9780470080542

Online ISBN: 9780470291337

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Keywords:

  • oxygen;
  • homogeneous;
  • temperature;
  • geometrical;
  • parameters

Summary

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.