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@ARTICLE{Richou:877729,
      author       = {Richou, M. and Gallay, F. and Böswirth, B. and Chu, I. and
                      Dose, G. and Greuner, H. and Kermouche, G. and Lenci, M. and
                      Loewenhoff, Th. and Maestracci, R. and Meillot, E. and
                      Missirlian, M. and Pastor, J. Y. and Quet, A. and Roccella,
                      S. and Tejado, E. and Visca, E. and Pintsuk, G. and You, J.
                      H. and Wirtz, Marius},
      title        = {{P}erformance assessment of thick {W}/{C}u graded
                      interlayer for {DEMO} divertor target},
      journal      = {Fusion engineering and design},
      volume       = {157},
      issn         = {0920-3796},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2020-02427},
      pages        = {111610 -},
      year         = {2020},
      abstract     = {The development of a divertor target for DEMO is of great
                      importance, being able to sustain the harsh environment that
                      is imposed on this component. To fulfill the loading
                      requirements, different concepts were developed within the
                      EUROfusion WPDIV project. The baseline concept is based on
                      the ITER divertor target W-monoblock design. It is made of
                      tungsten as armour material, CuCrZr as structural material
                      and Cu-OFHC as compliant layer. One of the proposed
                      alternative concepts aims to minimize the stress at
                      interfaces by replacing the thick copper interlayer by W/Cu
                      functionally graded material (FGM). In this study, the FGM
                      interlayer, with a thickness of 500 μm, is composed of
                      stacked elementary layers with the following three
                      compositions: $25 vol.\%W + 75 vol.\%Cu,$
                      $50 vol.\%W + 50 vol.\%Cu,$
                      $75 vol.\%W + 25 vol.\%Cu.$ Several FGM interlayers
                      were studied. In total three monoblock type mock-ups were
                      manufactured. This paper describes the steps needed to
                      manufacture mock-ups and characterization of elementary
                      layers (composition, porosity, Young’s modulus). HHF tests
                      applying up to 1000 cycles at 20 MW/m² and sub-sequent
                      post-mortem examinations were performed to qualify the
                      concept performance.},
      cin          = {IEK-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {174 - Plasma-Wall-Interaction (POF3-174)},
      pid          = {G:(DE-HGF)POF3-174},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000552963400015},
      doi          = {10.1016/j.fusengdes.2020.111610},
      url          = {https://juser.fz-juelich.de/record/877729},
}