2018 Annual Meeting

Presentation information

Oral presentation

IV. Nuclear Fuel Cycle and Nuclear Materials » 402-1 Nuclear Materials and the Irradiation Behavior

[1D12-17] Radiation Effects

Mon. Mar 26, 2018 3:35 PM - 5:10 PM Room D (R1-212 -R1 Building)

Chair: Taira Okita (Univ. of Tokyo)

4:20 PM - 4:35 PM

[1D15] Effects of copper concentration and dose rate on low-temperature irradiation embrittlement of carbon steel

*Terumitsu Miura1, Katsuhiko Fujii1, Koji Fukuya1, Masahiro Kawakubo2 (1. Instuitute of Nuclear Safety System, 2. Radioactive Waste Management Funding and Research Center)

Keywords:Carbon steel, Irradiation embrittlement, Ion irradiation, Electron irradiation, Atom probe tomography, Geological disposal, Overpack

炭素鋼とモデル合金に90°CでFeイオン照射と低照射速度の電子線照射を実施した。Cu濃度が高い場合や、低照射速度の電子線照射の方が溶質クラスタの形成が促進されて硬化量も大きくなることがわかった。