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@ARTICLE{Uytdenhouwen:836212,
      author       = {Uytdenhouwen, Inge and Schwarz-Selinger, T. and Coenen, J.
                      W. and Wirtz, Marius},
      title        = {{M}echanical and microstructural changes in tungsten due to
                      irradiation damage},
      journal      = {Physica scripta},
      volume       = {T167},
      issn         = {1402-4896},
      address      = {Bristol},
      publisher    = {IoP Publ.},
      reportid     = {FZJ-2017-05333},
      pages        = {014007 -},
      year         = {2016},
      abstract     = {Stress-relieved pure tungsten received three damage levels
                      (0.10, 0.25 and 0.50 dpa) by self-tungsten ion beam
                      irradiation at room temperature. Positron annihilation
                      spectroscopy showed the formation of mono-vacancies and
                      vacancy clusters after ion beam exposure. In the first
                      irradiation step (0–0.10 dpa) some splitting up of large
                      vacancy clusters occurred which became more numerous. For
                      increasing dose to 0.25 dpa, growth of the vacancy clusters
                      was seen. At 0.50 dpa a change in the defect formation seems
                      to occur leading to a saturation in the lifetime signal
                      obtained from the positrons. Nano-indentation on the
                      cross-sections showed a flat damage depth distribution
                      profile. The nano-indentation hardness increased for
                      increasing damage dose without any saturation up to 0.50
                      dpa. This means that other defects such as dislocation loops
                      and large sized voids seem to contribute.},
      cin          = {IEK-4 / IEK-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-4-20101013 / 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:000383504700008},
      doi          = {10.1088/0031-8949/T167/1/014007},
      url          = {https://juser.fz-juelich.de/record/836212},
}