基于正交方法研究阴极保护电位波动下X100管线钢的点蚀行为

戴明杰, 刘静, 黄峰, 胡骞, 李爽

Pitting Corrosion Behavior of X100 Pipeline Steel in a Simulated Acidic Soil Solution under Fluctuated Cathodic Protection Potentials Based on Orthogonal Method

DAI Mingjie, LIU Jing, HUANG Feng, HU Qian, LI Shuang

表1 正交试验的因素水平表

Table 1 Orthogonal test of factors and levels table

Factor	Level
Factor	1	2	3
A：potential fluctuation frequency (f / Hz)	0.5	0.05	0.005
B：potential fluctuation range (E / V)	-0.95~-0.9	-0.95~-0.8	-0.95~-0.7
C: duty cycle (δ / %)	30	50	70
D: total loading time (t_t / d)	1	2	3