Preliminary design fatigue curves for reduced activation ferritic/martensitic steel, F82H

Hirose, Takanori; Sakasegawa, Hideo ; Tanigawa, Hisashi; Tanigawa, Hiroyasu; Kawamura, Yoshinori

Material database for reduced activation ferritic/martensitic steel, F82H have been accumulated for design study on tritium breeding blanket. This study reports fatigue properties of F82H including effects of test temperature and test atmosphere to establish design fatigue curve. It is found that temperature effects on fatigue lifetime is significant above 450 $^{circ}$ C. As for effects of test atmosphere, lifetime in the vacuum was 5 times higher than that in the air at 550 $^{circ}$ C.

Language	:	Japanese
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Meeting title	:	日本原子力学会2016年春の年会
Held date	:	2016/03
Location (city)	:	仙台
Location (country)	:	日本
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Keywords	:	ブランケット構造材料; ブランケットモジュール; 低放射化マルテンサイト鋼
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Registration No. : BB20152309
JAEA Abstracts No. :
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