铜在碳钢中扩散及其对碳钢耐腐蚀性的影响

马涛,李慧蓉,高建新,李运刚

Diffusion Behavior of Cu in Carbon Steel and Its Influence on Corrosion Resistance of Carbon Steel

Tao MA,Huirong LI,Jianxin GAO,Yungang LI

表2 3.5%NaCl溶液中碳钢、镀铜碳钢及Cu-Fe合金极化曲线拟合结果

Table 2 Fitting results of polarization curves for carbon steel and Cu plated carbon steel and Cu-Fe alloy in 3.5% NaCl solution

Samples Ecorr/mV Icorr/μA·cm-2 Carbon steel -600 91.7 Cu plated carbon steel -360 62.5 Cu-Fe gradient material -359 61.7