Fuel microstructural analysis of incubation burn-up for fission gas release.

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概要

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• A study was made on an incubation burn-up for fission gas release using fuel swelling microstructural analysis. Conclusions of the study are : (1) The fuel microstructural analysis successfully determined the incubation burn-up. The analyzed values agreed with those estimated by the Halden empirical gas release model. (2) The incubation burn-up obtained from the Halden model was correlated with the fuel center temperature, but the micro-structural analysis was more dependent on the local fuel swelling temperature. (3) The incubation burn-up was attributed to the grain boundary diffusion process and the fuel local gaseous swelling.

• 一般社団法人 日本原子力学会の論文

著者

• YANAGISAWA Kazuaki

  Department of Fuel Safety Research, Nuclear Safety Research Center, Japan Atomic Energy Research Institute

関連論文

• Fuel microstructural analysis of incubation burn-up for fission gas release.

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