X80钢在酸性红壤模拟液及室外红壤中的腐蚀动力学规律及相关性分析

王帅星,杜楠,刘道新,肖金华,邓丹萍

Corrosion Kinetics and the Relevance Analysis for X80 Steel in a Simulated Acidic Soil Solution and Outdoor Red Soil

Shuaixing WANG,Nan DU,Daoxin LIU,Jinhua XIAO,Danping DENG

表1 室内外腐蚀动力学数据对比

Table 1 Comparison of dynamic data between indoor corrosion and outdoor corrosion

Indoor corrosion data Outdoor corrosion data Time / d △W / g·cm-2 Dynamic equation Time / month △W / g·cm-2 Dynamic equation 1 0.0022 △W=0.00053 t1.863 1 0.0019 △W=0.00065 t2.1247 4 0.0053 3 0.0054 8 0.0274 6 0.0305 12 0.0540 △W=0.0051 t0.9436 9 0.0513 △W=0.0070 t0.9096 16 0.0703 12 0.0673 32 0.1076 △W=0.0158 t0.5511 24 0.1024 △W=0.0181 t0.5456 48 0.1308 36 0.1282 64 0.1613 48 0.1587