2023 Fall Meeting
Sep 6 - Sep 8, 2023Nagoya University Higashiyama Campus
2023 Fall Meeting
Sep 6 - Sep 8, 2023Nagoya University Higashiyama Campus
[2A15]Prediction and Extension of Lifetime of Reactor Pressure Vessel(1) Irradiation-induced Precipitate G-phase Ni16Si7Mn6
*Yoshitaka Matsukawa1, Daiki Watanabe1, Sadahiro Tsurekawa1, Nina Manon Abad1, Hiroaki Muta2, Kenta Yoshida3, Ryuta Kasada3, Masatake Yamaguchi4, Hideki Yuya5, Minako Endou5(1. Kumamoto Univ., 2. Osaka Univ., 3. Tohoku Univ., 4. JAEA, 5. Chubu Electric Power)
Keywords:
light water reactors,pressure vessel,embrittlement,trend curve,precipitates,compounds,dissolution,lifetime extension,annealing
In-depth analysis on atomic diffusion during dissolution of the G-phase Ni16Si7Mn6 into the matrix of pressure vessel steels has been performed by means of diffusion couple.