含Cr耐蚀钢筋在模拟高碱性混凝土孔隙液中的钝化行为

王慕亮, 孙玉朋, 陈磊, 魏洁, 董俊华

Passive Behavior of Corrosion-Resistant Cr-Containing Steel Bars in Simulated High-Alkaline Concrete Pore Solution

WANG Muliang, SUN Yupeng, CHEN Lei, WEI Jie, DONG Junhua

图12 20MnSi、3Cr和9Cr钢在模拟混凝土孔隙液中钝化膜生长机制示意图

Fig.12 Schematics of growth mechanism of the passive film formed on three steels in simulated concrete pore solution (a) initial growth stage of 20MnSi steel passive film (b) stable stage of 20MnSi steel passive film (c) initial growth stage of passive film for 3Cr and 9Cr steels (d) stable stage of passive film for 3Cr and 9Cr steels