[S6] Evaluation, analysis, and prediction of energy related materials performance, (I) -Expectation of advanced technologies-(2)

[S6.27] Thermal Stability of Dislocation Loops in Neutron-Irradiated Reactor Pressure Vessel Steel during In-situ Annealing

*Du Yufeng¹, Yoshida Kenta¹, Shimada Yusuke¹, Toyama Takeshi¹, Inoue Koji¹, Arakawa Kazuto², Suzudo Tomoaki³, Milan Konstantinovic　J.⁴, Gerard Robert⁵, Nagai Yasuyoshi¹ (1. IMR Tohoku University、2. Shimane University、3. JAEA、4. SCK-CEN、5. Tractabel ENGIE)

Keywords:Neutron irradiation、Dislocation loops、In-situ observation、Annealing、WB-STEM

The Burgers Vector of loops was characterized after annealing in the neutron irradiated RPV steel. The evolution process of dislocation loops was in-situ observed and analyzed during annealing.