2016 Fall Meeting

Presentation information

Oral Presentation

IV. Nuclear Fuel Cycle and Nuclear Materials » 403-1 Reactor Chemistry, Radiation Chemistry, Corrosion, Water Chemistry,Water Quality Control

[3C07-10] Mitigation of corrosive environment/Dose rate reduction

Fri. Sep 9, 2016 11:10 AM - 12:15 PM Room C (Kumume City Plaza - Gallery 2)

Chair: Yusa Muroya (Osaka Univ.)

11:25 AM - 11:40 AM

[3C08] Deposition state of platinum after platinum oxide nanoparticle addition and subsequent oxide film change

*Kazushige Ishida1, Yoichi Wada1, Masahiko Tachibana1, Nobuyuki Ota2 (1.Hitachi, Ltd., Research & Development Group, 2.Hitachi-GE Nuclear Energy, Ltd.)

Keywords:Stress Corrosion Cracking, Hydrogen Water Chemistry, Platinum Oxide, Nano Particle, Gamma-ray, Boiling Water Reactor

γ線照射により生成した白金酸化物ナノ粒子を水素/酸素モル比2以上の280℃水で注入した場合の白金付着状態及び酸化皮膜への影響を調べた。その結果、白金はナノ粒子が白金金属として酸化皮膜に付着すること、酸化皮膜は再構築が生じることが分かった。