武汉地铁钢轨在典型隧道环境中的腐蚀现状分析

庞涛, 刘静, 黄峰, 李闯, 赵国知, 黄先球, 郑建国, 程鹏

Corrosion Survey of Subway Rails in Typical Tunnel Environments at Wuhan Region of Central China

PANG Tao, LIU Jing, HUANG Feng, LI Chuang, ZHAO Guozhi, HUANG Xianqiu, ZHENG Jianguo, CHENG Peng

图8 潮湿大气环境钢轨腐蚀机理示意图

Fig.8 Schematic diagram of rail corrosion in humid air environment: (a) water and oxygen contact the substrate through the oxide layer on the rail surface, (b) substrate under the oxide layer is corroded, (c) toxide layer is gradually converted into the rust layer