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Report No.

In-pile creep rupture properties of ODS ferritic steel claddings

Kaito, Takeji ; Otsuka, Satoshi ; Inoue, Masaki ; Asayama, Tai ; Uwaba, Tomoyuki ; Mizuta, Shunji ; Ukai, Shigeharu*; Furukawa, Tomohiro ; Ito, Chikara  ; Kagota, Eiichi; Kitamura, Ryoichi; Aoyama, Takafumi ; Inoue, Toshihiko 

In order to examine irradiation effect on creep rupture strength of Oxide Dispersion Strengthened (ODS) steel claddings, the in-pile creep rupture test was conducted using Material Testing Rig with Temperature Control (MARICO)-2 in the experimental fast reactor JOYO. Fourteen creep rupture events were successfully detected by the temperature change in each capsule and the $$gamma$$-ray spectrometry of the cover gas. Time to creep ruptures of six ODS steel specimens were identified by means of Laser Resonance Ionization Mass Spectrometry (RIMS), and no irradiation effect on creep rupture strength was confirmed within the irradiation condition in the MARICO-2 test.



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Category:Materials Science, Multidisciplinary



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