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|Title:||Thermal annealing as a method to predict results of high temperature irradiation embrittlement|
|Authors:||KRYUKOV A.; DEBARBERIS Luigi; HAEHNER Peter; GILLEMOT F.; OSZVALD F|
|Citation:||JOURNAL OF NUCLEAR MATERIALS vol. 432 no. 1-3 p. 501-504|
|Publisher:||ELSEVIER SCIENCE BV|
|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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