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| 001 | 904086 | ||
| 005 | 20240711113823.0 | ||
| 024 | 7 | _ | |a 10.1088/1741-4326/abd920 |2 doi |
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| 037 | _ | _ | |a FZJ-2021-05656 |
| 082 | _ | _ | |a 620 |
| 100 | 1 | _ | |a Wang, Zheng |0 0000-0001-7063-9844 |b 0 |
| 245 | _ | _ | |a Effect of rhenium on defects evolution behavior in tungsten under irradiation |
| 260 | _ | _ | |a Vienna |c 2021 |b IAEA |
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| 520 | _ | _ | |a 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. |
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| 700 | 1 | _ | |a Gao, Liang |0 P:(DE-Juel1)184620 |b 1 |e Corresponding author |u fzj |
| 700 | 1 | _ | |a Zhu, Xiu-Li |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Yuan, Yue |0 P:(DE-Juel1)166383 |b 3 |
| 700 | 1 | _ | |a Wang, Shiwei |0 0000-0002-5635-0785 |b 4 |
| 700 | 1 | _ | |a Cheng, Long |0 0000-0002-3537-784X |b 5 |
| 700 | 1 | _ | |a Lu, Guang-Hong |0 0000-0002-3039-1706 |b 6 |
| 773 | _ | _ | |a 10.1088/1741-4326/abd920 |g Vol. 61, no. 3, p. 036037 - |0 PERI:(DE-600)2037980-8 |n 3 |p 036037 - |t Nuclear fusion |v 61 |y 2021 |x 0029-5515 |
| 856 | 4 | _ | |y Restricted |u https://juser.fz-juelich.de/record/904086/files/Wang_2021_Nucl._Fusion_61_036037.pdf |
| 856 | 4 | _ | |y OpenAccess |u https://juser.fz-juelich.de/record/904086/files/Wang_Effect.pdf |
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