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@ARTICLE{Cho:887820,
      author       = {Cho, Jaehun and Li, Jin and Wang, Han and Li, Qiang and
                      Fan, Zhe and Mukherjee, A. K. and Rheinheimer, W. and Wang,
                      Haiyan and Zhang, X.},
      title        = {{S}tudy of deformation mechanisms in flash-sintered
                      yttria-stabilized zirconia by in-situ micromechanical
                      testing at elevated temperatures},
      journal      = {Materials Research Letters},
      volume       = {7},
      number       = {5},
      issn         = {2166-3831},
      address      = {London [u.a.]},
      publisher    = {Taylor $\&$ Francis},
      reportid     = {FZJ-2020-04446},
      pages        = {194 - 202},
      year         = {2019},
      abstract     = {Flash sintering has received wide attention lately due to
                      its ultrafast densification process at low sintering
                      temperature. However, the deformability of flash-sintered
                      ceramics remains poorly understood. Yttria-stabilized
                      zirconia (YSZ) was processed by flash sintering to study
                      deformation mechanism. Transmission electron microscopy
                      studies show that the flash-sintered YSZ contains ultrafine
                      grains and dislocations. Strain rate jump tests at elevated
                      temperature by in-situ microcompression indicate the
                      existence of a large threshold stress. The activation energy
                      of deformation is ∼145 kJ/mol, similar to the activation
                      energy for oxygen vacancy migration. The deformation
                      mechanisms of the flash-sintered YSZ at elevated
                      temperatures are discussed.},
      cin          = {IEK-1},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000463803200004},
      doi          = {10.1080/21663831.2019.1575924},
      url          = {https://juser.fz-juelich.de/record/887820},
}