电化学频率调制技术在Q235钢/NaCl腐蚀体系中的应用

周年光, 查方林, 冯兵, 何铁祥

Application of Electrochemical Frequency Modulation for Study of Q235 Steel Corrosion in NaCl Solution

ZHOU Nianguang, ZHA Fanglin, FENG Bing, HE Tiexiang

表1 Q235钢阻抗主要参数拟合结果

Table 1 Main impedance parameters of Q235 steel in 0.5 mol/L Nacl solution

Time h R0 Ωcm2 Rf Ωcm2 Qdl Ssncm-2 Rt Ωcm2 fb Hz 17 2.11 34 4.28×10-4 1770 0.21 163 2.57 24 5.67×10-4 2342 0.12 353 2.09 72 5.56×10-4 2211 0.13