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@INPROCEEDINGS{Mishra:885552,
      author       = {Mishra, Tarini Prasad and Ingraci Neto, R. R. and Raj, R.
                      and Guillon, O. and Bram, M.},
      title        = {{C}urrent rate controlled flash sintering of {G}adolinium
                      doped ceria with tailored microstructure},
      reportid     = {FZJ-2020-03923},
      year         = {2020},
      abstract     = {Recently, current rate controlled flash sintering was
                      introduced as alternative to established voltage-to-current
                      control mode. Due to its mixed ionic and electronic
                      conductivity, Gadolinium doped ceria (GDC) is a good
                      candidate for demonstrating the potential of this novel
                      operation mode. Therefore, dog bone shaped GDC samples were
                      placed in a tube furnace and heated to 680°C. Current rate
                      was linearly increased at well-defined rates in the range
                      between 20 and 1000 mA min-1 to a maximum current density of
                      200 mA min-1. The electric field is self-generated by the
                      resistivity of the sample. Drop of electric field indicated
                      the on-set of the flash event. Microstructural
                      investigations reveal that current rate controlled flash
                      sintering increases the homogeneity of the grain size
                      distribution and enables to tailor the grain size.
                      Furthermore, it is expected that this novel operation mode
                      ease scaling up of flash sintering technique by reducing the
                      risk of hot spot formation.},
      month         = {Sep},
      date          = {2020-09-22},
      organization  = {MSE - Materials Science and
                       Engineering, online (Germany), 22 Sep
                       2020 - 25 Sep 2020},
      subtyp        = {Other},
      cin          = {IEK-1},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/885552},
}