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@ARTICLE{Mao:874751,
      author       = {Mao, Yiran and Coenen, Jan W. and Riesch, Johann and
                      Sistla, Sree and Almanstötter, Jürgen and Terra, Alexis
                      and Wu, Yucheng and Raumann, Leonard and Chen, Chang and
                      Höschen, Till and Gietl, Hanns and Neu, Rudolf and
                      Broeckmann, Christoph and Linsmeier, Christian},
      title        = {{F}iber {V}olume {F}raction {I}nfluence on {R}andomly
                      {D}istributed {S}hort {F}iber {T}ungsten {F}iber
                      {R}einforced {T}ungsten {C}omposites},
      journal      = {Advanced engineering materials},
      volume       = {22},
      number       = {6},
      issn         = {1527-2648},
      address      = {Frankfurt, M.},
      publisher    = {Deutsche Gesellschaft für Materialkunde},
      reportid     = {FZJ-2020-01650},
      pages        = {1901242},
      year         = {2020},
      abstract     = {For future fusion reactors, tungsten (W) is currently the
                      main candidate for the application as plasma‐facing
                      material due to its several advanced properties. To overcome
                      the brittleness of W, randomly distributed short W
                      fiber‐reinforced W (Wf/W) composites have been developed
                      using field‐assisted sintering technology (FAST). Herein,
                      Wf/W materials with different fiber volume fraction
                      $(20–60\%)$ are manufactured by FAST process to study the
                      fiber volume fraction influence on the composite properties.
                      Wf/W with ductile fibers and brittle fibers is produced
                      using different tool setups during the production.
                      Three‐point bending tests on prenotched samples, 4‐point
                      bending tests, and tensile tests have been performed to
                      determine the fracture behavior and flexural/tensile
                      strength of the material. Wf/W materials with $30–40\%$
                      fiber volume fraction exhibit a promising pseudoductile
                      behavior, similar to fiber‐reinforced ceramic composites.
                      However, Wf/W with $20\%$ and $>50\%$ fiber volume fraction
                      shows only a limited extrinsic toughening effect. In terms
                      of flexural strength, with increasing fiber volume fraction,
                      the tensile/flexural strength does not show a clear
                      increasing tendency, or even lightly decreases.},
      cin          = {IEK-4},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000522088200001},
      doi          = {10.1002/adem.201901242},
      url          = {https://juser.fz-juelich.de/record/874751},
}