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合金相を含む燃料デブリの安定性評価のための基盤研究,10; ウラン-ジルコニウム-ステンレス鋼系模擬燃料デブリからの核種溶出挙動評価; 照射法と添加法

Research on the stability of fuel debris consisting of oxides and alloys, 10; Leaching behavior of nuclides from simulated fuel debris in the UO$$_{2}$$-Zr-SS system; Irradiation or addition method

佐々木 隆之*; 頓名 龍太郎*; 小林 大志*; 秋山 大輔*; 桐島 陽*; 佐藤 修彰*; 渡邉 雅之   ; 熊谷 友多   ; 日下 良二  

Sasaki, Takayuki*; Tonna, Ryutaro*; Kobayashi, Taishi*; Akiyama, Daisuke*; Kirishima, Akira*; Sato, Nobuaki*; Watanabe, Masayuki; Kumagai, Yuta; Kusaka, Ryoji

ステンレスおよびZrを含む模擬燃料デブリを調製した。試料中のFPは、熱中性子照射によるU核分裂または非放射性元素の添加により導入し、人工海水や純水等に浸漬した。両法により導入したFPの溶解挙動、その解釈について報告する。

We synthesized simulated fuel debris which containing stainless steel and zirconium. The fission of Uranium by the irradiation of thermal neutron or non-radioactive elements was fed in the simulated fuel debris as fission products (FP), and the sample was immersed in pure water or artificial sea water. In this presentation, we would report the behavior of the solubility of the FP and the interpretation of its results.

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