期刊
JOURNAL OF NUCLEAR MATERIALS
卷 454, 期 1-3, 页码 22-27出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnucmat.2014.07.038
关键词
-
资金
- European Integrated Project PERFORM60 [FP7-232612]
Neutron irradiation of reactor pressure vessel steels gives rise to the formation of thermodynamically stable and unstable nano-features. The present work is focused on the stability of Cu-, Mn- and Ni-containing solute clusters in model alloys exposed to post-irradiation annealing. Fe0.1Cu, Fe1.2Mn0.7Ni and Fe1.2Mn0.7Ni0.1Cu (wt%) model alloys irradiated up to neutron exposures of 0.1 and 0.19 dpa (displacements per atom) were annealed at stepwise increasing temperatures in the range from 300 degrees C (i.e. near irradiation temperature) to 500 degrees C and characterized by means of small-angle neutron scattering (SANS). We have found characteristic differences in the annealing behavior of the alloys. In particular, there is a non-trivial (synergistic-antagonistic) interplay of Mn/Ni and Cu. (C) 2014 Elsevier B.V. All rights reserved.
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