20钢及其搪瓷涂层在400 ℃下的氧化和NaCl腐蚀行为研究

袁磊, 谢新, 陈明辉, 李烽杰, 王福会

Air Oxidation and NaCl Corrosion Behavior of 20 Steel Without and with Enamel Coating at 400 °C

YUAN Lei, XIE Xin, CHEN Minghui, LI Fengjie, WANG Fuhui

图6 20钢表面沉积NaCl时400 °C下腐蚀后的形貌

Fig.6 Surface morphologies (a, b) and cross sections (c, d) of 20 steel after NaCl pre-deposited corrosion at 400 °C for 5 h (a, c) and 200 h (b, d)