Journal
JOURNAL OF NUCLEAR MATERIALS
Volume 540, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jnucmat.2020.152363
Keywords
In-situ transmission electron microscopy (TEM); Ion irradiation; Ferritic/martensitic steel T91
Funding
- US Department of Energy (DOE) [DE-NE0000639]
- National Science Foundation [ECCS-1542015]
- State of North Carolina
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Ferritic/Martensitic (F/M) steel T91 was irradiated in-situ to 4 and 10 dpa at 470 degrees C using 1 MeV Kr2+. The microstructure evolution under irradiation was followed and characterized by in-situ Transmission Electron Microscopy (TEM), in terms of dislocation loop Burgers vector, average size and density as a function of dose. Furthermore, the influence of the presence of dislocations in the pre-irradiated matrix was investigated by comparing the radiation induced defect evolution in grains with and without initial dislocations. (C) 2020 Elsevier B.V. All rights reserved.
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