Evaluation of Irradiation Hardening of Fe-Ion Irradiated F82H by Nano-Indentation Techniques

Yoshiyuki Takayama; Ryuta Kasada; Kiyohiro Yabuuchi; Akihiko Kimura; Dai Hamaguchi; Masami Ando; Hiroyasu Tanigawa

doi:10.4028/www.scientific.net/MSF.654-656.2915

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Evaluation of Irradiation Hardening of Fe-Ion Irradiated F82H by Nano-Indentation Techniques
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Evaluation of Irradiation Hardening of Fe-Ion Irradiated F82H by Nano-Indentation Techniques

Abstract:

The effects of small amount (1 or 2 wt.%) of Ni additionson the irradiation hardening of the reduced-activation ferritic/martensitic steel, F82H, used as fusion reactor blanket structural materials were investigated by means of Fe-ion irradiation experimental test method and nano-indentation technique. The ion-irradiation hardening of Ni-added F82H is larger than that of the steel without Ni addition. The methodology to derive the irradiation hardening of ion-irradiated F82H steel was proposed from the results of hardness depth profile.