[P] P114~P123

[P116] Evaluation of irradiation hardening in ion-irradiated RAFM steel F82H using ultra-small testing technologies (USTTs)

*Diancheng Geng^1,2, Hao Yu², Yasuki Okuno², Hironori Kurotaki³, Takashi Nozawa³, Masami Ando³, Hiroyasu Tanigawa³, Sosuke Kondo², Ryuta Kasada² (1. Graduate School of Engineering, Tohoku University、2. IMR, Tohoku University、3. QST)

キーワード：ion irradiation、irradiation hardening、micropillar test、nanoindentation hardness、bulk value

The nanoindentation hardness tests offer better reliability to estimate irradiation hardening in ion-irradiated steels compared with the micropillar tests.