含磷石墨烯的制备及复合涂层的耐蚀性能

李玉峰, 张念飞, 刘丽爽, 赵甜甜, 高文博, 高晓辉

Preparation of Phosphorus-containing Graphene and Corrosion Resistance of Composite Coating

LI Yufeng, ZHANG Nianfei, LIU Lishuang, ZHAO Tiantian, GAO Wenbo, GAO Xiaohui

表1 极化曲线拟合数据

Table 1 Fitting data of polarization curves

Sample Icorr / A·cm-2 E / V ba bc CR / mm·a-1 Rp / Ω·cm2 PE / % Bare steel 1.66×10-5 -0.891 3.59 0.824 1.28×10-1 1.75×104 - SiR 2.95×10-7 -0.171 3.08 0.413 2.28×10-3 5.36×105 98.21 GO/SiR 1.76×10-7 -0.120 2.92 0.645 1.36×10-3 1.31×106 98.93 1%PhA-G/SiR 4.78×10-8 -0.242 1.95 1.150 3.69×10-4 6.58×106 99.71 2%PhA-G/SiR 2.45×10-8 -0.306 2.42 0.832 1.89×10-4 1.10×107 99.85 3%PhA-G/SiR 3.53×10-10 -0.118 0.77 0.327 2.73×10-6 2.82×108 99.99 4%PhA-G/SiR 3.58×10-9 -0.252 1.10 2.060 2.76×10-5 8.71×107 99.97