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Preliminary test results for post irradiation examination on the HTTR fuel

HTTR燃料の照射後試験のための予備試験結果

植田 祥平  ; 梅田 政幸; 沢 和弘; 相沢 静男; 清水 道雄; 石垣 嘉信; 小幡 宏幸*

Ueta, Shohei; Umeda, Masayuki; Sawa, Kazuhiro; Sozawa, Shizuo; Shimizu, Michio; Ishigaki, Yoshinobu; Obata, Hiroyuki*

HTTR燃料及び炉心の照射特性データ取得を目的として、将来のHTTR初装荷燃料の照射後試験を材料試験炉(JMTR)ホットラボにおいて計画している。本報告はHTTR燃料の照射後試験の予備試験結果について述べたものである。本予備試験においては、寸法測定,重量測定,燃料破損率測定,燃焼度測定,X線ラジオグラフ,SEM及びEPMA観察を実施した。最終的に、HTTR初装荷燃料は照射条件下において高い品質を示すことを確認した。

The future post-irradiation program for the first-loading fuel of the HTTR is scheduled using the HTTR fuel handling facilities and the Hot Laboratory in the Japan Materials Testing Reactor (JMTR) to confirm its irradiation performance and to obtain data on its irradiation characteristics in the core. This report describes the result of preliminary test and the future plan for post-irradiation examination for the HTTR fuel. In the preliminary test, dimension measurement, weight measurement, fuel failure fraction measurement, burnup measurement, X-ray radiograph, SEM and EPMA observations have been carried out. Finally, it was confirmed that the first-loading fuel of the HTTR showed good quality under irradiation condition.

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パーセンタイル:26.87

分野:Nuclear Science & Technology

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