阴极保护电位对破损环氧涂层阴极剥离的影响

王贵容,邵亚薇,王艳秋,孟国哲,刘斌

Effect of Applied Cathodic Protection Potential on Cathodic Delamination of Damaged Epoxy Coating

Guirong WANG,Yawei SHAO,Yanqiu WANG,Guozhe MENG,Bin LIU

表1 施加不同保护电位浸泡1056 h后涂层鼓泡情况

Table 1

Potential (vs SCE)mV Number of blister Maximum distance of blisters to the edge of the leak /mm Minimum distance of blisters to the edge of the leak /mm OCP 0 --- --- -750 4 2.0 0.5 -850 5 3.2 0.3 -950 5 3.3 0.8 -1050 8 4.5 0.3