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福島第一原発事故後の放射線分解水質と原子力用材料の腐食

Water radiolysis at Fukushima Daiichi Nuclear Plant and corrosion of material for nuclear power plant

本岡 隆文

Motooka, Takafumi

福島第一原子力発電所では、東日本大震災直後、原子炉及び使用済燃料プールに、海水・淡水が注入されたため、原子炉・燃料プール用材料の腐食が懸念された。原子力機構では、原子力用金属材料について、福島第一原発事故後の健全性評価のための腐食研究を実施している。本発表では原子炉と燃料プールを対象とした腐食研究の概要を報告する。

At the Fukushima Daiichi Nuclear Power Plant, seawater and fresh water were injected to cool down the reactor cores and in spent fuel pools after the accident in March 2011. Therefore, metallic materials for reactor and fuel pool will be exposed to corrosion environment. At JAEA, research on the integrity of materials for nuclear power plant have been carried out since March 2011. Outline and results of the research regarding to reactor and fuel pool will be present.

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