Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 502-1 Nuclear Materials, Degradation, Radiation Effects, and Related Technology

[3H01-06] Irradiation Embrittlement

Fri. Sep 13, 2019 9:30 AM - 11:10 AM Room H (Common Education Bildg. 2F B21)

Chair:Eiichi Wakai(JAEA)

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9:30 AM - 9:45 AM

[3H01] Evolution of crack propagation in nanoscale α-iron by molecular dynamics simulation

Dependence of crack size on the critical energy release rate of nano crack

*Xiaoyong Ruan¹, Yuting Chen¹, Toshiki Nakasuji¹, Kazunori Morishita¹ (1. Kyoto University)

9:45 AM - 10:00 AM

[3H02] Effect of irradiation defects on crack growth

*Kentaro Ono¹, Toshiki Nakasuji¹, Xiaoyong Ruan¹, Kazunori Morishita¹, Yoshiyuki Watanabe² (1. Kyoto Univ., 2. QST)

10:00 AM - 10:15 AM

[3H03] Modeling for Advanced Management of Irradiation Embrittlement of RPV Steels

*Toshiki Nakasuji¹, Kagehiro Usuda¹, Kentaro Ono¹, Kohei Mizuta¹, Yotaro Kakuda¹, Kazunori Morishita¹ (1. Kyoto Univ.)

10:15 AM - 10:30 AM

[3H04] Tensile fracture behavior at grain boundary in neutron-irradiated stainless steels (3)

Dose dependence and relationship with microstructure

*Terumitsu Miura¹, Katsuhiko Fujii¹, Koji Fukuya¹, Hitoshi Seto² (1. Instuitute of Nuclear Safety System, 2. Nippon Nuclear Fuel Development)

10:30 AM - 10:45 AM

[3H05] Study on Effects of Solute Atom Clusters on Stress Intensity Factor at A Crack Tip Studied by Discrete Dislocation Dynamics

Tomohisa Kumagai¹, *Akiyoshi Nomoto¹, Akiyuki Takahashi², Hayato Sugasawa² (1. Central Research Institute of Electric Power Industry, 2. Tokyo University of Science)

10:45 AM - 11:00 AM

[3H06] Improvement of current Japanese embrittlement trend curve based on Japanese RPV surveillance data

*Yoshinori Hashimoto¹, Akiyoshi Nomoto¹, Kenji Nishida¹ (1. CRIEPI)

Time reserved for Chair (11:00 AM - 11:10 AM)

Session information