High temperature recovery of radiation defects in tungsten and its effect on deuterium retention
Nuclear Materials and Energy（2020）
摘要
•The recovery of defects in W created by 9 MeV W ions to 1.1 dpa has been investigated.•Annealing at 1600–1900 K leads to the formation of large vacancy clusters.•Large vacancy clusters give rise to a desorption peak near 600 K.•Complete recovery of radiation defects occurs after annealing at 2000 K.
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关键词
Tungsten,Radiation defects,Ion irradiation,Annealing,Deuterium retention,Positron annihilation spectroscopy
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