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3 20钢基体氧化不同时间后背散射扫描像

Fig.3 Cross-sectional BSE-mode images of the bare 20 steel after oxidation at 400 ℃ for 10 h (a), 100 h (b), 500 h (c) and 1000 h (d). The inset in Fig.3a shows the surface morphology