热处理对双金属管道内衬管材Inconel 625耐晶间腐蚀性能的影响

苏锐, 单以银, 严伟, 刘庚, 任毅, 史显波

Effect of Heat Treatment on Intergranular Corrosion Resistance of Inconel 625 Used as Inner Lining for X65 Steel Based Bimetallic Pipes

SU Rui, SHAN Yiyin, YAN Wei, LIU Geng, REN Yi, SHI Xianbo

图9 随机晶界和ΣCSL晶界原理[32,34]

Fig.9 Schematic diagrams of random grain boundaries and ΣCSL grain boundaries[32,34] (a) high-angle random grain boundary corrosion model, (b) low ΣCSL grain boundary corrosion model, (c) microstructure of high-angle random grain boundaries, (d) microstructure of Σ3 grain boundaries