Cr对Q420钢在高盐度大气环境下耐蚀性的影响
谭何灵1,周成1(),刘希辉2,曹国明1,张菁1
Effect of Cr on Corrosion Resistance of Q420 Steel in Atmosphere with High Salinity
Heling TAN1,Cheng ZHOU1(),Xihui LIU2,Guoming CAO1,Jing ZHANG1

图3. 4种钢腐蚀72和360 h后的锈层截面SEM像

Fig.3. Cross sections of rust layers formed on Q420 (a, b), 2Cr (c, d), 5Cr (e, f) and 9Cr (g, h) steels after corrosion for 72 h (a, c, e, g) and 360 h (b, d, f, h)