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@ARTICLE{Mao:891434,
      author       = {Mao, Y. and Coenen, J. W. and Riesch, J. and Sistla, S. and
                      Almanstötter, J. and Jasper, B. and Terra, A. and Höschen,
                      T. and Gietl, H. and Linsmeier, Ch. and Broeckmann, C.},
      title        = {{I}nfluence of the interface strength on the mechanical
                      properties of discontinuous tungsten fiber-reinforced
                      tungsten composites produced by field assisted sintering
                      technology},
      journal      = {Composites / A},
      volume       = {107},
      issn         = {1359-835X},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2021-01519},
      pages        = {342 - 353},
      year         = {2018},
      abstract     = {In future fusion reactors, tungsten is a main candidate
                      material for plasma-facing components. However, the
                      intrinsic brittleness of tungsten is an issue under the
                      extreme fusion environment. To overcome this drawback,
                      tungsten fiber-reinforced tungsten (Wf/W) composites are
                      being developed relying on an extrinsic toughening
                      principle. In this study Wf/W composites are produced by a
                      Field-Assisted Sintering Technology (FAST) process with
                      different fiber–matrix interfaces. The fracture behavior
                      was studied by 3-point bending tests on notched samples.
                      4-point bending tests and tensile tests are performed to
                      measure the flexural strength and tensile strength,
                      respectively. Wf/W with a weak interface shows a typical
                      pseudo-ductile fracture behavior, similar to ceramic matrix
                      composites. A strong interface is beneficial to achieve
                      higher flexural strength and tensile strength, but in turn,
                      weakens the pseudo-ductile behavior.},
      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:000429892800036},
      doi          = {10.1016/j.compositesa.2018.01.022},
      url          = {https://juser.fz-juelich.de/record/891434},
}