In-situ WB-STEM evaluation of thermal stability of the neutron induced dislocation loops during post-irradiation-annealing

Kenta Yoshida

Presentation information

Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 502-1 Nuclear Materials, Degradation, Radiation Effects, and Related Technology

[2C01-07] Irradiation Effect 1

Thu. Sep 17, 2020 10:00 AM - 12:00 PM Room C (Zoom room 3)

Chair:Kenji Nishida(CRIEPI)

11:30 AM - 11:45 AM

[2C07] In-situ WB-STEM evaluation of thermal stability of the neutron induced dislocation loops during post-irradiation-annealing

*Kenta Yoshida¹, Du Yufeng¹, Yusuke Shimada¹, Tomoaki Suzudo², Kazuto Arakawa³, Takeshi Toyama¹, Koji Inoue¹, Somei Ohnuki⁴, Yasuyoshi Nagai¹ (1. Tohoku Univ., 2. JAEA, 3. Shimane Univ., 4. USTB)

Keywords:Transmission electron microscopy, In situ annealing, Lattice defects, Dislocation

In situ annealing TEM neutron irradiated RPV steels are reported. In this presentation, we discuss thermal stability of irradiation induced 1/2<111> loops during isothermal annealing at 450 degreeC.