Title: Thermal annealing as a method to predict results of high temperature irradiation embrittlement
Authors: KRYUKOV A.DEBARBERIS LuigiHAEHNER PeterGILLEMOT F.OSZVALD F
Citation: JOURNAL OF NUCLEAR MATERIALS vol. 432 no. 1-3 p. 501-504
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2013
JRC N°: JRC76441
ISSN: 0022-3115
URI: http://www.sciencedirect.com/science/article/pii/S0022311512003625
http://publications.jrc.ec.europa.eu/repository/handle/JRC76441
DOI: 10.1016/j.jnucmat.2012.07.003
Type: Articles in periodicals and books
Abstract: 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.
JRC Directorate:Energy, Transport and Climate

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