Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Fabrication of Nitride Fuel Pellets by Using Simulated Spent Nuclear Fuel

모의 사용후 핵연료를 이용한 질화물 핵연료 소결체 제조

  • 류호진 (한국원자력연구원 재순환핵연료기술개발부) ;
  • 이재원 (한국원자력연구원 재순환핵연료기술개발부) ;
  • 이영우 (한국원자력연구원 재순환핵연료기술개발부) ;
  • 이정원 (한국원자력연구원 재순환핵연료기술개발부) ;
  • 박근일 (한국원자력연구원 재순환핵연료기술개발부)
  • Published : 2008.04.28
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Abstract

In order to investigate a nitriding process of spent oxide fuel and the subsequent change in thermal properties after nitriding, simulated spent fuel powder was converted into a nitride pellet with simulated fission product elements through a carbothermic reduction process. Nitriding rate of simulated spent fuel was decreased with increasing of the amount of fission products. Contents of Ba and Sr in simulated spent fuel were decreased after the carbothermic reduction process. The thermal conductivity of the nitride pellet was decreased by an addition of fission product element but was higher than that of the oxide fuel containing fission product elements.

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References

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