金属材料局部腐蚀损伤过程的近场动力学模拟：进展与挑战

夏大海, 邓成满, 陈子光, 李天书, 胡文彬

Modeling Localized Corrosion Propagation of Metallic Materials by Peridynamics: Progresses and Challenges

XIA Dahai, DENG Chengman, CHEN Ziguang, LI Tianshu, HU Wenbin

图9 三维模拟的初始和边界条件[71],304不锈钢点蚀生长的模拟结果[84]与实验结果对比图,以及模拟腐蚀83 s后的花边盖[71]

Fig.9 Schematic of the 3D simulation domain with the initial and boundary conditions (a)[71], experimental (b, d) [84] and PD simulation (c, e) results for pit grown in 304 stainless steel and its lacy cover after 83 s of corrosion in 0.1 mol/L NaCl solution, at 600 mV (vs Ag/AgCl reference electrode) (f)[71] (Csat—the saturation value of metal ion concentration in the solution, CON—concentration)