[G] Nuclear Materials

[314] Nanocluster evolution in 9Cr ODS steel after high-dose neutron irradiation in JOYO reactor

*Yufeng Du¹, Takeshi Toyama¹, Koji Inoue¹, Satoshi Ohtsuka², Yasuhide Yano¹, Kenta Yoshida¹, Yusuke Shimada¹, Masato Ohnuma³, Masatoshi Mitsuhara⁴, Hideharu Nakashima⁴, Yasuyoshi Nagai¹ (1. IMR, Tohoku Univ.、2. JAEA、3. Hokkaido Univ.、4. Kyushu Univ.)

Keywords:ODS steel、Neutron irradiation、High-dose、Oxide nanoparticles、APT

In this study, a detailed investigation of oxide nanoparticles after neutron irradiation to different doses at different temperatures are performed by the atom probe tomography.