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Report No.
 - 

Current status and developments of post irradiation examination techniques in JMTR Hot laboratory

Shibata, Akira ; Taguchi, Taketoshi ; Aoyagi, Tatsuhiko; Ito, Masayasu ; Kato, Yoshiaki; Yonekawa, Minoru ; Kawamata, Kazuo

The JMTR stopped its operation in August 2006 for refurbishment. The reactor facilities have been refurbished from April, 2007. Modifications of facilities and installation of new experimental apparatuses in the JMTR Hot Laboratory are described. To treat high burn-up fuels up to about 110 GWD/t for new BOiling CApsule (BOCA) irradiation tests, reinforcement of shielding capacity of hot cells was performed. The BOCA assembling apparatus in the hot cell also replaced to treat high burn-up fuels. Three dimensional X-ray computed tomography apparatus which has 0.16 mm in spatial resolution was installed. Experimental apparatus for 99Mo/99mTc production by (n,$$gamma$$) method was installed. Remote welding apparatus will be installed to perform in-pile IASCC experiments. A nano-indenter with 5 $$mu$$m radius spherical indenter will be installed to evaluate mechanical properties of irradiated materials.

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