In order to assess the validity of post-irradiation annealing as a method to predict results of high temperature
irradiation a new analysis of experimental data has been performed revealing the combined influence
of annealing temperature and impurities content on residual embrittlement after annealing. For
2CrMoV (WWER-440 reactor pressure vessel) steel with low contents of copper and phosphorus, the
comparison of two embrittlement dependencies has been done: on irradiation temperature and postirradiation
annealing temperature. It is demonstrated that data for both the transition temperature shift
after irradiation, DTk, and the residual transition temperature shift after post-irradiation annealing, DTres,
fall within the same scatter band. A similarly close correlation is observed by comparison of yield
strength increases after irradiation and after post-irradiation annealing.
KRYUKOV A.;
DEBARBERIS Luigi;
HAEHNER Peter;
GILLEMOT F.;
OSZVALD F;
2012-12-17
ELSEVIER SCIENCE BV
JRC76441
0022-3115,
http://www.sciencedirect.com/science/article/pii/S0022311512003625,
https://publications.jrc.ec.europa.eu/repository/handle/JRC76441,
10.1016/j.jnucmat.2012.07.003,
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