聚N-乙烯基咪唑对盐酸介质中Q235钢的缓蚀性能

丁其晨, 陈上

Corrosion Inhibition of Poly N-vinyl Imidazole for Q235 Steel in HCl Solution

DING Qichen, CHEN Shang

表3 Q235钢在298 K不同浓度PVI的1 molL-1盐酸溶液中电化学阻抗谱的拟合参数

Table 3 Impedance parameters of Q235 steel in 1 molL-1 HCl solution with different concentrations of PVI at 298 K

CPVI mgL-1 Rct Ωcm2 Rs Ωcm2 Cdl μFcm-2 η3 % 0 34.8 1.058 302 --- 2 290.2 2.404 286 88.01 4 308.5 3.654 269 88.72 8 365.4 5.622 255 90.48 16 436.3 5.787 221 92.02