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@ARTICLE{Zeng:894362,
      author       = {Zeng, Fanlin and Malzbender, Jürgen and Baumann, Stefan
                      and Nijmeijer, Arian and Winnubst, Louis and Guillon,
                      Olivier and Schwaiger, Ruth and Meulenberg, Wilhelm A.},
      title        = {{R}esidual stress and mechanical strength of
                      {C}e0.8{G}d0.2{O}2--{F}e{C}o2{O}4 dual phase oxygen
                      transport membranes},
      journal      = {Journal of the European Ceramic Society},
      volume       = {41},
      number       = {13},
      issn         = {0955-2219},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2021-03197},
      pages        = {6539 - 6547},
      year         = {2021},
      abstract     = {Ce0.8Gd0.2O2-δ-FeCo2O4 membranes, benefiting from their
                      excellent chemical stability, exhibit a broad application
                      potential in oxygen-consuming industrial processes running
                      in harsh environments. For long-term reliable operation, the
                      membrane needs to possess sufficient mechanical strength.
                      This paper characterizes the typical aspects that challenge
                      the mechanical stability of the sintered membrane, including
                      composition and microstructural defects as well as residual
                      stress and residual stress gradients. It is revealed that
                      mechanical strengths of the sintered membranes increase with
                      decreasing iron cobalt spinel content, that the high iron
                      cobalt spinel content induces microcracks, and that high
                      residual tensile stress gradually decreases from the
                      as-sintered surface to the bulk. Although the residual
                      tensile stress can be reduced by applying an extensive
                      elevated temperature dwell time during cooling, it is
                      suggested to limit the iron cobalt spinel content to a
                      nominal value of 15 $wt\%$ to eliminate the residual tensile
                      stress while maintaining a high mechanical strength.},
      cin          = {IEK-1 / IEK-2 / JARA-ENERGY},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-2-20101013 /
                      $I:(DE-82)080011_20140620$},
      pnm          = {1232 - Power-based Fuels and Chemicals (POF4-123)},
      pid          = {G:(DE-HGF)POF4-1232},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000683469000001},
      doi          = {10.1016/j.jeurceramsoc.2021.06.040},
      url          = {https://juser.fz-juelich.de/record/894362},
}