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@INPROCEEDINGS{SchulzeKppers:849536,
      author       = {Schulze-Küppers, Falk and Silva, Rafael and Baumann,
                      Stefan and Malzbender, Jürgen and Krüger, Manja and
                      Guillon, Olivier},
      title        = {{M}echanical properties and lifetime predictions of
                      {S}r{T}i1-x{F}ex{O}3-d (x = 0.25, 0.35, 0.5)},
      reportid     = {FZJ-2018-03719},
      year         = {2018},
      abstract     = {Oxygen transport membranes based on mixed ionic-electronic
                      conducting ceramics can be an alternative to existing
                      state-of-the-art processes for oxygen production in small
                      and medium scale. Typically, such membranes have to be
                      operated at 800 - 900 °C and under large pressure
                      gradients, which challenges significantly the mechanical
                      stability of the respective ceramic components. The current
                      work concentrates on the mechanical characterization of
                      promising oxygen transport perovskite membranes based on
                      SrTi1-xFexO3-δ, (STFx) with x = 0.25, 0.35 and 0.5. The
                      materials were synthesized through solid state reaction and
                      most mechanical testing relevant specimens were obtained by
                      tape casting. The mechanical stability was assessed via
                      ring-on-ring bending tests serving the estimate of
                      materials’ reliabilities and lifetime. Furthermore, aiming
                      towards the determination of the mechanical stability at the
                      operational relevant temperatures, flexural tests were
                      conducted at 900 °C, where the derived fracture stress
                      revealed to be higher. Hence, it appears that the material
                      undergoes stress relaxation at high temperature associated
                      to an anelastic behavior that might relate to a strong
                      primary creep. Overall, the current study aids the
                      adjustment of the membrane design regarding the process
                      requirements, while data for mechanically derived lifetime
                      predictions are acquired for STF based membranes.},
      month         = {Jun},
      date          = {2018-06-18},
      organization  = {15th International Conference on
                       Inorganic Membranes, Dresden (Germany),
                       18 Jun 2018 - 22 Jun 2018},
      subtyp        = {After Call},
      cin          = {IEK-1 / IEK-2 / JARA-ENERGY},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-2-20101013 /
                      $I:(DE-82)080011_20140620$},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/849536},
}