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@ARTICLE{Wirtz:201785,
      author       = {Wirtz, M. and Linke, J. and Pintsuk, G. and Singheiser, L.
                      and Uytdenhouwen, I.},
      title        = {{C}omparison of the thermal shock performance of different
                      tungsten grades and the influence of microstructure on the
                      damage behaviour},
      journal      = {Physica scripta},
      volume       = {T145},
      issn         = {1402-4896},
      address      = {Bristol},
      publisher    = {IoP Publ.},
      reportid     = {FZJ-2015-04079},
      pages        = {014058 -},
      year         = {2011},
      abstract     = {The thermal shock performances of two new tungsten grades
                      with 1 and $5 wt\%$ of tantalum were characterized with
                      the electron beam facility JUDITH 1. As a reference
                      material, ultra-high-purity tungsten (W-UHP) with a purity
                      of $99.9999 wt\%$ was used. The induced thermal shock
                      crack networks and surface modifications were analysed by a
                      scanning electron microscope, light microscopy and laser
                      profilometry. Damage and cracking thresholds were defined
                      for all materials as a function of absorbed power density
                      and base temperature. The materials showed significantly
                      different thermal shock behaviour, which is, among others,
                      expressed by differences in cracking patterns, i.e. crack
                      distance and depth. These results allow us to quantify the
                      influence of the materials' mechanical and thermal
                      properties on the thermal shock performance. Furthermore,
                      the specific grain structure of the materials has a
                      significant influence on crack propagation towards the bulk
                      material.},
      cin          = {IEK-2 / N-M},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-2-20101013 / I:(DE-Juel1)N-M-20100415},
      pnm          = {135 - Plasma-wall interactions (POF2-135)},
      pid          = {G:(DE-HGF)POF2-135},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000298475200059},
      doi          = {10.1088/0031-8949/2011/T145/014058},
      url          = {https://juser.fz-juelich.de/record/201785},
}