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このページの閲覧数 | : | 28 |
タイトル | 海水成分含有水におけるジルカロイ-2の孔食発生に及ぼすgamma線分解の影響 |
翻訳タイトル | Effect of gamma radiolysis on pit initiation of zircaloy-2 in water containing sea salt |
情報提供機関 | Taylor & Francis |
著者 | 本岡 隆文 |
著者 | 小松 篤史 |
著者 | 塚田 隆 |
著者 | 山本 正弘 |
掲載日 | 2014-07 |
言語 | eng |
ページ数 | 987p.-995p. |
種別 | report |
内容記述 | We investigated the effect of radiolysis on pit initiation of zircaloy-2 in water containing sea salt. Changes in the composition of water containing sea salt were analyzed as well, both before and after gamma-ray irradiation. The characteristics of the resultant oxide films formed on zircaloy-2 were evaluated by X-ray photoelectron spectroscopy and electrochemical impedance spectroscopy. The experimental results showed that the pitting potential under irradiation was slightly higher than that under conditions in which no radiation was present, and that the pitting potential decreased with increasing chloride concentration in the presence as well as the absence of radiation. Solution analyses for water containing sea salt showed that hydrogen peroxide was generated by irradiation. The oxide film was composed of zirconium oxide and was made thicker during the irradiation. Under gamma-ray irradiation, the zircaloy-2 surface with an oxide film formed by radiolysis products was found to be resistant to pitting in the presence of chloride. |
情報源 | JOPSS関連URL関連URL |
URI | https://f-archive.jaea.go.jp/dspace/handle/faa/211456 |
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