Behavior of Fission Products Zirconium and Barium in Fast Reactor Fuel Irradiated to High Burnup

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概要

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• Barium and Zr generated in nuclear fuels can precipitate as multi-component oxide with some other fission products. In addition, the solubility of Ba in the fuel depends on the oxygen potential and the temperature and Zr can easily dissolve into the fuel matrix. Therefore, the behavior of the Ba-Zr oxide inclusions during irradiation is rather complex. In this work, the composition of multi-component oxides and the distributions of Ba and Zr as a function of Relative radius were evaluated with X-ray microanalysis. As results, the oxide inclusions containing both Ba and Zr and containing only Ba were observed in the fuel irradiated to the burnup of 13.3 and 10.6%, respectively. These results were discussed in terms of the solubility of Ba and Zr in the fuel and in terms of the ZrO2-UO2 phase diagram, together with the radial distributions of Ba and Zr in fuel matrix.

• 一般社団法人 日本原子力学会の論文
• 1999-09-25

著者

• IDEMITSU Kazuya

  Department of Applied Quantum Physics & Nuclear Engineering, Kyushu University

• ARIMA Tatsumi

  Department of Applied Quantum Physics & Nuclear Engineering, Kyushu University

• Tatsumi Arima

  Department Of Applied Quantum Physics & Nuclear Engineering Kyushu University

• Furuya Hirotaka

  Department Of Applied Quantum Physics And Nuclear Engineering Division Of Engineering Graduate Schoo

• Idemitsu Kazuya

  Department Of Applied Quantum Physics & Nuclear Engineering Kyushu University

• FURUYA Hirotaka

  Institute of Environmental Systems, Kyushu University

• Sato Isamu

  Department Of Electrical And Computer Engineering:(present Address) Musashino Electrical Communicati

• Sato Isamu

  Department Of Nuclear Engineering Faculty Of Engineering Kyushu University

• YAMAMOTO Kazuya

  Alpha Gamma Section, O-arai Engineering Center, Japan Nuclear Cycle Development Institute

• Yamamoto Kazuya

  Alpha Gamma Section O-arai Engineering Center Japan Nuclear Cycle Development Institute

• IDEMITSU Kazuya

  Department of Applied Quantum Physics & Nuclear Engineering, Kyushu University

• SATO Isamu

  Department of Earth Science and Technology, Graduate School of Engineering and Resource Science, Akita University

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