Melting temperature of irradiated UO2 and UO2-2wt%Gd2O3 fuel pellets up to burnup of about 30GWd/tU.

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概要

• 論文の詳細を見る

• Melting temperature of UO<SUB>2</SUB> and UO<SUB>2</SUB>-2W/OGd<SUB>2</SUB>O<SUB>3</SUB> fuels irradiated in a commercial LWR were determined by a thermal arrest technique in a burnup range up to approximately 30 GWd/tU.<BR>No decrease in the melting temperature was observed on both UO<SUB>2</SUB> and UO<SUB>2</SUB>-2W/0Gd<SUB>2</SUB>O<SUB>3</SUB> fuels with increment of burnup to 30 GWd/tU. It was also found that the Gd<SUB>2</SUB>O<SUB>3</SUB> addition below 2W/O has no influence on the melting temperature.

• 一般社団法人 日本原子力学会の論文

著者

• OGUMA Masaomi

  Nippon Nuclear Fuel Development Co., Ltd.

• YAMANOUCHI Sadamu

  Fuels and Materials Division, Power Reactor and Nuclear Fuel Development Corp.

• TACHIBANA Toshimichi

  Fuels and Materials Division, Power Reactor and Nuclear Fuel Development Corp.

• TSUKUI Kazushige

  Nippon Nuclear Fuel Development Co., Ltd.

関連論文

• Microstructure effects on fracture strength of UO2 fuel pellets.
• Melting temperature of irradiated UO2 and UO2-2wt%Gd2O3 fuel pellets up to burnup of about 30GWd/tU.

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