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@ARTICLE{dePrado:844877,
      author       = {de Prado, J. and Sánchez, M. and Pintsuk, G. and Du, J.
                      and Linke, J. and Ureña, A. and Wirtz, Marius},
      title        = {{I}mpact of thermal fatigue on {W}–{W} brazed joints for
                      divertor components},
      journal      = {Journal of materials processing technology},
      volume       = {252},
      issn         = {0924-0136},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2018-02223},
      pages        = {211 - 216},
      year         = {2018},
      abstract     = {W–W brazed joints (tungsten block: 8 × 8 × 4 mm joined
                      to an actively cooled copper heat sink) were exposed to
                      steady state heat loads to study the effect of the thermal
                      fatigue on their microstructure, mechanical integrity and
                      heat transfer capability. Two different surface temperatures
                      were tested (1000 °C and 1250 °C) varying the number of
                      applied cycles (100 and 1000). The results indicated that a
                      surface temperature of 1000 °C represents the limit
                      condition for the joints to be used in the DEMO fusion
                      reactor, which corresponds to a braze temperature in the
                      range of 562–599 °C according to thermal simulation
                      results. The use of that temperature caused a limited effect
                      on the microstructure and heat transfer capability for both
                      100 and 1000 applied cycles. The increase of the surface
                      temperature to 1250 °C caused degradation of the joint and
                      a reduction of sustained cycles and accordingly lifetime.},
      cin          = {IEK-2 / IEK-4},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IEK-2-20101013 / I:(DE-Juel1)IEK-4-20101013},
      pnm          = {174 - Plasma-Wall-Interaction (POF3-174)},
      pid          = {G:(DE-HGF)POF3-174},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000417659800022},
      doi          = {10.1016/j.jmatprotec.2017.09.024},
      url          = {https://juser.fz-juelich.de/record/844877},
}