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@ARTICLE{Mishra:878010,
      author       = {Mishra, Tarini Prasad and Neto, Rubens Roberto Ingraci and
                      Raj, Rishi and Guillon, Olivier and Bram, Martin},
      title        = {{C}urrent-rate flash sintering of gadolinium doped ceria:
                      {M}icrostructure and {D}efect generation},
      journal      = {Acta materialia},
      volume       = {189},
      issn         = {1359-6454},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2020-02579},
      pages        = {145 - 153},
      year         = {2020},
      abstract     = {In current-rate flash-sintering experiments the current is
                      injected into the specimen from the very start and then
                      increased at a constant rate, while the furnace is held at a
                      constant temperature. The power supply remains under current
                      control. The flash is induced at low current densities which
                      reduces local heating at the electrodes. It leads to a
                      uniform grain size across the entire gage length of the
                      dog-bone specimen. This work pertains to 10 $mol.\%$
                      gadolinium-doped ceria flash sintered at current-rates
                      ranging from 50 mA min−1 to 1000 mA min−1 at a furnace
                      temperature of 680 °C. Full densities are obtained at a
                      current density limit of 200 mA mm–2. Densification is
                      shown to depend only on the instantaneous value of the
                      current density, and not on the current-rate. The grain
                      size, however, is shown to become finer at higher
                      current-rates. A preliminary analysis of the “energy
                      deficit”, that is, the estimated power input corresponding
                      to the temperature as measured with a pyrometer, and the
                      actual power consumption, estimates that huge concentrations
                      of Frenkel defects may be introduced in the flash process.},
      cin          = {IEK-1 / JARA-ENERGY},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$},
      pnm          = {899 - ohne Topic (POF3-899) / DFG project 274005202 - SPP
                      1959: Manipulation of matter controlled by electric and
                      magnetic fields: Towards novel synthesis and processing
                      routes of inorganic materials (274005202)},
      pid          = {G:(DE-HGF)POF3-899 / G:(GEPRIS)274005202},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000527829900013},
      doi          = {10.1016/j.actamat.2020.02.036},
      url          = {https://juser.fz-juelich.de/record/878010},
}