The Correlation between microstructure and ion irradiation hardening in heat affected zone of reactor pressure vessel

Ha, Yoosung ; Takamizawa, Hisashi ; Iwata, Keiko ; Tobita, Toru; Chimi, Yasuhiro; Katsuyama, Jinya ; Nishiyama, Yutaka

The microstructure of heat affected zone (HAZ) in stainless over-ray clad is predicted by finite element method (FEM). From the results of FEM analysis, the coarse grain area and fine grain area could obtain from HAZ and base metal also obtained in 1/4 thickness part for the irradiation experiment. After ion irradiation, the irradiation hardening of HAZ has higher tendency than that of base metal. In addition, the change of hardening is observed in fine grain area.

Language	:	Japanese
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Meeting title	:	ゼロエミッションエネルギー拠点研究会; 平成28年度材料照射研究会; 照射効果
Held date	:	2016/10
Location (city)	:	宇治
Location (country)	:	日本
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Keywords	:	熱影響部; 照射硬化; イオン照射
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Registration No. : BB20161148
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