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@ARTICLE{Zeng:874344,
      author       = {Zeng, Fanlin and Malzbender, Jürgen and Baumann, Stefan
                      and Schulze-Küppers, Falk and Krüger, Manja and Nijmeijer,
                      Arian and Guillon, Olivier and Meulenberg, Wilhelm Albert},
      title        = {{M}icromechanical {C}haracterization of {C}e$_{0.8}$
                      {G}d$_{0.2}$ {O}$_{2‐ δ–}$ {F}e{C}o$_{2}$ {O}$_{4}$
                      {D}ual {P}hase {O}xygen {T}ransport {M}embranes},
      journal      = {Advanced engineering materials},
      volume       = {22},
      number       = {6},
      issn         = {1527-2648},
      address      = {Frankfurt, M.},
      publisher    = {Deutsche Gesellschaft für Materialkunde},
      reportid     = {FZJ-2020-01377},
      pages        = {1901558 -},
      year         = {2020},
      abstract     = {Aiming toward an optimization of dual phase oxygen
                      transport membrane materials for oxygen separation
                      applications, ceramic composites consisting of a
                      Ce1−xGdxO2−δ (0 < x < 0.2) fluorite phase,
                      Gd0.9Ce0.1Fe0.8Co0.2O3 perovskite phase, FexCo3−xO4
                      (0 < x < 1) spinel phase, and CoO rock salt phase
                      are developed and micromechanical properties (elastic
                      modulus and hardness) of xCe0.8Gd0.2O2−δ: (1−x)FeCo2O4
                      $(50 wt\% ≤ x ≤ 90 wt\%)$ composites are
                      characterized via indentation testing at room temperature.
                      The results obtained at low indentation loads indicate that
                      the magnitude of the elastic moduli of the different phases
                      is in the order
                      Gd0.9Ce0.1Fe0.8Co0.2O3 > Ce1−xGdxO2−δ ≈ FexCo3−xO4 > CoO,
                      and furthermore, hardness values are also in the same order.
                      The hardness values of the obtained composites at higher
                      impression loads reveal a stronger dependency on porosity
                      than on composition due to similar hardness values of the
                      main phases. Any compositional effect appears to diminish
                      above a porosity of $≈1\%.$},
      cin          = {IEK-2 / IEK-1 / JARA-ENERGY},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-2-20101013 / I:(DE-Juel1)IEK-1-20101013 /
                      $I:(DE-82)080011_20140620$},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000517647600001},
      doi          = {10.1002/adem.201901558},
      url          = {https://juser.fz-juelich.de/record/874344},
}