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@ARTICLE{Abaza:905446,
      author       = {Abaza, A. and Laurencin, J. and Nakajo, A. and Hubert, M.
                      and David, T. and Monaco, F. and Lenser, C. and Meille, S.},
      title        = {{F}racture properties of porous yttria-stabilized zirconia
                      under micro-compression testing},
      journal      = {Journal of the European Ceramic Society},
      volume       = {42},
      number       = {4},
      issn         = {0955-2219},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2022-00687},
      pages        = {1656 - 1669},
      year         = {2022},
      abstract     = {Micro-compression tests were carried out on pillars of
                      60 μm in diameter, milled by plasma focused ion beam in
                      porous Yttria-Stabilized Zirconia (YSZ) pellets. The
                      fracture properties were determined over a wide range of
                      porosities (33 $\%–63$ $\%)$ for 8YSZ and at a given pore
                      volume fraction of 63 $\%$ for 3YSZ. The mechanical
                      properties determined from testing were reproducible thanks
                      to the homogeneity of the microstructures. The Young’s
                      modulus was estimated as a function of the porosity from the
                      unloading curve of tests stopped before fracture. The
                      experiments conducted until the total rupture allowed
                      measuring the compressive fracture strength, which was found
                      to decrease when increasing the porosity. Specimen tested
                      and unloaded just before the total fracture were
                      cross-sectioned by focused ion beam - scanning electron
                      microscope. A transition was detected from a brittle
                      behavior, with macro-cracks parallel to the direction of
                      solicitation, to a diffuse damage with micro-cracks, when
                      increasing the porosity.},
      cin          = {IEK-1},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {1231 - Electrochemistry for Hydrogen (POF4-123) / SOFC -
                      Solid Oxide Fuel Cell (SOFC-20140602)},
      pid          = {G:(DE-HGF)POF4-1231 / G:(DE-Juel1)SOFC-20140602},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000742850400006},
      doi          = {10.1016/j.jeurceramsoc.2021.11.051},
      url          = {https://juser.fz-juelich.de/record/905446},
}