[G] Nuclear Materials

[167] Comparison between nanoindentation hardness test and micro-pillar compression test in the evaluation of irradiation hardening for ODS-Cu and non ODS-Cu after self-ion irradiation

*Yuchen Liu^1,2, Sosuke Kondo¹, Hao Yu¹, Kiyohiro Yabuuchi³, Ryuta Kasada¹ (1. Institute for Materials Research, Tohoku University、2. Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University、3. Institute of Advanced Energy, Kyoto University)

Keywords:ODS-Cu、mechanical properties、micro-pillar compression、nanoindentation

The size-dependent yield stress obtained from micro-pillars in irradiated ODS-Cu was discussed by the empirical relationships between the nanoindentation hardness and micro-pillar yield stress.