恒定的pH值和Fe2+浓度下X65碳钢的CO2腐蚀行为
钟显康(
),扈俊颖
),扈俊颖
Corrosion Behavior of X65 Carbon Steel in CO2Containing Liquids with Constant pH and Ferrous Ion Concentration
Xiankang ZHONG(),Junying HU
),Junying HU
图4. 恒定和非恒定pH值和Fe2+浓度条件下X65碳钢在1%NaCl溶液中腐蚀220 h后的表面腐蚀产物横截面SEM像
Fig.4. SEM section images of the corrosion products formed on X65 steel in 1%NaCl solution at 80 ℃for 220 h under two different conditions of constant (a) and non-constant (b) pH and ferrous ion concentration (the initial solution: 20 mg/L Fe2+, pH=5.80,
