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Report No.

Study on fabrication and property of nitride fuel for MA transmutation

Takaki, Seiya ; Takano, Masahide 

Nitride fuel with ZrN matrix have been studied for transmutation of minor actinide (MA). These are supposed to be designed as ZrN solid solution or TiN compounds with MA nitride from 20mol% to 40mol%. From the above, composition and temperature dependence of thermal conductivity for safety evaluation of the fuel have been studied with a little of MA. In the present study, we are aimed to clarify composition and temperature dependence of thermal conductivity of Dy$$_{x}$$Zr$$_{1-x}$$N solid solution as surrogate nitride fuel with MA in order to understand the dependence of the MA nitride fuel physically. In addition to, we introduce studies about pyrochemical compatibility between the simulated fuel and candidate material for cladding, and entrusted to Japan Atomic Energy Agency by the Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT).



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