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@ARTICLE{Terra:865898,
      author       = {Terra, A. and Sergienko, G. and Tokar, M. and Borodin, D.
                      and Dittmar, T. and Kreter, A. and Martynova, Y. and
                      Möller, S. and Rasiński, M. and Wirtz, M. and Loewenhoff,
                      Th. and Dorow-Gerspach, D. and Yuan, Y. and Brezinsek, S.
                      and Unterberg, B. and Linsmeier, Ch.},
      title        = {Μicro-{S}tructured {T}ungsten: an
                      {A}dvanced{P}plasma-{F}acing {M}aterial},
      journal      = {Nuclear materials and energy},
      volume       = {19},
      issn         = {2352-1791},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2019-05175},
      pages        = {7 - 12},
      year         = {2019},
      abstract     = {A micro-structuring of the tungsten plasma-facing surface
                      can strongly reduce near surface thermal stresses induced by
                      ELM heat fluxes. This approach has been confirmed by
                      numerical simulations with the help of ANSYS software. For
                      experimental tests, two 10 × 10 mm2 samples of
                      micro-structured tungsten were manufactured. These consisted
                      of 2000 and 5000 vertically packed tungsten fibres with
                      dimensions of Ø240 µm × 2.4 mm and Ø150
                      µm × 2.4 mm, respectively. The 1.2 mm bottom parts
                      of the fibres are embedded in a copper matrix. The top parts
                      of the fibres have gaps about of 10 µm so they are not
                      touching each others. The top of all tungsten fibres was
                      electro-polished. A Nd:YAG laser with a pulse duration
                      1 ms and a pulse repetition frequency of 25 Hz was used
                      to simulate up to 105 ELM-like heat pulses. No damage on
                      either of the micro-structured tungsten samples were
                      observed. Neon plasma erosion rate and fuel retention of the
                      micro-structured tungsten samples were almost identical to
                      bulk tungsten samples.},
      cin          = {IEK-2 / IEK-4 / IEK-1},
      ddc          = {624},
      cid          = {I:(DE-Juel1)IEK-2-20101013 / I:(DE-Juel1)IEK-4-20101013 /
                      I:(DE-Juel1)IEK-1-20101013},
      pnm          = {174 - Plasma-Wall-Interaction (POF3-174)},
      pid          = {G:(DE-HGF)POF3-174},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000470746100002},
      doi          = {10.1016/j.nme.2019.02.007},
      url          = {https://juser.fz-juelich.de/record/865898},
}