2017 Fall Meeting

Presentation information

Oral presentation

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

[1I01-08] Radiation Effect

Wed. Sep 13, 2017 10:00 AM - 12:10 PM Room I (C310 - C Block)

Chair:Naoyuki Hashimoto (Hokkaido Univ.)

10:30 AM - 10:45 AM

[1I03] Ion irradiation-induced microstructural changes in heat-affected zone of stainless weld overlay cladding of RPV steel

*Yoosung Ha1, Hisashi Takamizawa1, Satoshi Hanawa1, Yutaka Nishiyama1, Naoki Ebisawa2, Takeshi Toyama2, Yasuyoshi Nagai2 (1. JAEA, 2. Tokoku Univ.)

Keywords:Reactor pressure vessel, Heat-affected zone of stainless weld overlay cladding, Ion-irradiation, Atom probe tomography, solute cluster

ステンレスオーバーレイクラッドにより生じる原子炉圧力容器鋼の熱影響部(HAZ)及び母材について、イオン照射に伴う溶質原子クラスターの形成などの微細組織の変化を3次元アトムプローブで調べ、照射硬化との相関について考察した。