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@ARTICLE{Mao:842191,
      author       = {Mao, Yiran and Coenen, Jan Willem and Riesch, J. and
                      Sistla, S. and Almanstötter, J. and Jasper, Bruno and
                      Terra, Alexis and Höschen, T. and Gietl, H. and Bram,
                      Martin and Gonzales, Jesus and Linsmeier, Christian and
                      Broeckmann, C.},
      title        = {{D}evelopment and characterization of powder
                      metallurgically produced discontinuous tungsten fiber
                      reinforced tungsten composites},
      journal      = {Physica scripta},
      volume       = {2017},
      issn         = {0031-8949},
      address      = {Bristol},
      publisher    = {IoP Publ.},
      reportid     = {FZJ-2018-00459},
      pages        = {7 / 014005},
      year         = {2017},
      abstract     = {In future fusion reactors, tungsten is the prime candidate
                      material for the plasma facing components. Nevertheless,
                      tungsten is prone to develop cracks due to its intrinsic
                      brittleness—a major concern under the extreme conditions
                      of fusion environment. To overcome this drawback, tungsten
                      fiber reinforced tungsten (Wf/W) composites are being
                      developed. These composite materials rely on an extrinsic
                      toughing principle, similar to those in ceramic matrix
                      composite, using internal energy dissipation mechanisms,
                      such as crack bridging and fiber pull-out, during crack
                      propagation. This can help Wf/W to facilitate a
                      pseudo-ductile behavior and allows an elevated damage
                      resilience compared to pure W. For pseudo-ductility
                      mechanisms to occur, the interface between the fiber and
                      matrix is crucial. Recent developments in the area of
                      powder-metallurgical Wf/W are presented. Two consolidation
                      methods are compared. Field assisted sintering technology
                      and hot isostatic pressing are chosen to manufacture the
                      Wf/W composites. Initial mechanical tests and
                      microstructural analyses are performed on the Wf/W
                      composites with a $30\%$ fiber volume fraction. The samples
                      produced by both processes can give pseudo-ductile behavior
                      at room temperature.},
      cin          = {IEK-1 / IEK-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-4-20101013},
      pnm          = {174 - Plasma-Wall-Interaction (POF3-174) / HITEC -
                      Helmholtz Interdisciplinary Doctoral Training in Energy and
                      Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-174 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000414120500005},
      doi          = {10.1088/0031-8949/2017/T170/014005},
      url          = {https://juser.fz-juelich.de/record/842191},
}