[2H19-23] Criticality Management 2

[2H20] Criticality control technique development for Fukushima Daiichi fuel debris

(25)Evaluation of Gamma-ray Irradiation Resistance of Insoluble Neutron Absorber

*Ryo Ishibashi^1,2, Toshiyuki Fujita^1,3, Kazuya Ishii^1,2, Yasuhiro Harada^1,4 (1.IRID, 2.Hitachi-GE Nuclear Energy, 3.Toshiba, 4.Mitsubishi heavy Industries)

Keywords:Fukushima-Daiichi nuclear power plant accident, Fuel debris, Neutron absorber, Criticality prevention, Gamma ray irradiation

燃料デブリ取出し時の臨界防止技術開発に資するため、種々の非溶解性中性子吸収材候補に対してガンマ線照射の影響を検討した結果を報告する。