[3E01-03] Corrosion and Electrochemistry in PWR

[3E01] Influence of zinc injection and dissolved hydrogen on corrosion of Alloy690TT in simulated PWR primary water

*Takumi Terachi¹, Yoshiari Kaneshima¹, Takuyo Yamada¹, Takahiro Sasaoka² (1. INSS, 2. KEPCO)

Keywords:PWR primary water, Oxide film, Zinc injection, Dissolved hydrogen

PWR1次系を模擬した水環境下においてTT690合金の腐食に及ぼす亜鉛注入の効果を検討し、DH 15―45cc・STP/kg-H2Oの範囲で有効な耐食抑制効果を確認した。