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@ARTICLE{Tan:904078,
      author       = {Tan, Xiaoyue and Wang, Wujie and Chen, Xiang and Mao, Yiran
                      and Litnovsky, Andrey and Klein, Felix and Bittner, Pawel
                      and Coenen, Jan Willem and Linsmeier, Christian and Liu,
                      Jiaqin and Luo, Laima and Wu, Yucheng},
      title        = {{C}haracteristics of {M}icrostructure {E}volution during
                      {FAST} {J}oining of the {T}ungsten {F}oil {L}aminate},
      journal      = {Metals},
      volume       = {11},
      number       = {6},
      issn         = {2075-4701},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2021-05648},
      pages        = {886 -},
      year         = {2021},
      abstract     = {The tungsten (W) foil laminate is an advanced material
                      concept developed as a solution for the low temperature
                      brittleness of W. However, the deformed W foils inevitably
                      undergo microstructure deterioration (crystallization)
                      during the joining process at a high temperature. In this
                      work, joining of the W foil laminate was carried out in a
                      field-assisted sintering technology (FAST) apparatus. The
                      joining temperature was optimized by varying the temperature
                      from 600 to 1400 °C. The critical current for mitigating
                      the microstructure deterioration of the deformed W foil was
                      evaluated by changing the sample size. It is found that the
                      optimal joining temperature is 1200 °C and the critical
                      current density is below 418 A/cm2. According to an
                      optimized FAST joining process, the W foil laminate with a
                      low microstructure deterioration and good interfacial
                      bonding can be obtained. After analyzing these current
                      profiles, it was evident that the high current density
                      (sharp peak current) is the reason for the significant
                      microstructure deterioration. An effective approach of using
                      an artificial operation mode was proposed to avoid the sharp
                      peak current. This study provides the fundamental knowledge
                      of FAST principal parameters for producing advanced
                      materials},
      cin          = {IEK-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {1232 - Power-based Fuels and Chemicals (POF4-123)},
      pid          = {G:(DE-HGF)POF4-1232},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000665903300001},
      doi          = {10.3390/met11060886},
      url          = {https://juser.fz-juelich.de/record/904078},
}