木薯淀粉三元接枝共聚物对钢在H2SO4溶液中的缓蚀性能研究

李向红, 邓书端, 徐昕

Inhibition Action of Cassava Starch Ternary Graft Copolymer on Steel in H2SO4 Solution

LI Xianghong, DENG Shuduan, XU Xin

表6 20 ℃时冷轧钢在1.0 mol/L H2SO4中的电化学阻抗谱参数

Table 6 Electrochemical impedance spectroscopy parameters for CRS in 1.0 mol/L H2SO4 at 20 ℃

cmg·L-1 RsΩ·cm2 RtΩ·cm2 RLΩ·cm2 QΩ·cm2 aμΩ·sa·cm-2 LH·cm2 ηR% --- 0.83 31 177 540 0.8591 129 --- 10 0.67 76 296 314 0.9195 1051 59.2 30 1.76 202 1069 205 0.8513 1963 84.7 50 2.66 298 1232 139 0.8733 5378 89.6