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@ARTICLE{Wang:904086,
      author       = {Wang, Zheng and Gao, Liang and Zhu, Xiu-Li and Yuan, Yue
                      and Wang, Shiwei and Cheng, Long and Lu, Guang-Hong},
      title        = {{E}ffect of rhenium on defects evolution behavior in
                      tungsten under irradiation},
      journal      = {Nuclear fusion},
      volume       = {61},
      number       = {3},
      issn         = {0029-5515},
      address      = {Vienna},
      publisher    = {IAEA},
      reportid     = {FZJ-2021-05656},
      pages        = {036037 -},
      year         = {2021},
      abstract     = {The influence of the transmutation element rhenium (Re) on
                      defect evolution in tungsten (W) during irradiations with
                      heavy ions and deuterium (D) plasma was investigated. Rolled
                      W and W–5Re alloy (Re concentration 5 $wt.\%)$ were
                      irradiated with 500 keV iron ions to 0.06 and 0.6 dpa
                      (displacement per atom), and deuterium plasma at 38 eV/D to
                      a fluence of 2.2 × 1025 D m−2 at ∼373 K. The results of
                      Doppler broadening spectroscopy by the positron annihilation
                      technique indicate that more or larger vacancy-type defects
                      were produced in W than in the W–5Re during Fe ion
                      irradiation, suggesting the important role of Re on
                      inhibiting the migration and/or clustering of vacancies. The
                      much smaller and shallower blistering in W–5Re than in W
                      after the same D plasma exposure points to the pinning
                      effects on dislocations by Re. The total retained D amounts
                      in W–5Re and W materials are comparable, but with very
                      different concentration profile at corresponding depth. This
                      is explained by the blister formation exerting influence on
                      the D inward diffusion. Demonstrating the important role of
                      Re on the defect evolution in W under irradiation, the
                      present work provides an enhanced understanding on the
                      possible effects of neutron irradiation on the performance
                      of plasma-facing materials in future fusion devices.},
      cin          = {IEK-4},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {134 - Plasma-Wand-Wechselwirkung (POF4-134)},
      pid          = {G:(DE-HGF)POF4-134},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000621485700001},
      doi          = {10.1088/1741-4326/abd920},
      url          = {https://juser.fz-juelich.de/record/904086},
}