水化学对690镍基合金高温高压水腐蚀行为的影响

李顺平, 党莹, 洪晓峰, 宁方强

Effect of Water Chemistry on Corrosion Behavior of Nickel-based Alloy 690 in High Temperature High Pressure Water

LI Shunping, DANG Ying, HONG Xiaofeng, NING Fangqiang

图6 690合金在290 ℃不同水化学参数的高温水中浸泡500 h后氧化膜的Ni、Cr和Fe深度分析

Fig.6 XPS depth profiles of Ni, Cr and Fe elements in the oxide scales formed on alloy 690 after 500 h exposure at 290 ℃ in water with different water chemistries: (a) 3 mg/L DO, (b) 1 μg/L DO, (c) 3 mg/L DH