Ni-Cr-P化学镀层的制备与电化学腐蚀行为

孙硕, 杨杰, 钱薪竹, 常人丽

Preparation and Electrochemical Corrosion Behavior of Electroless Plated Ni-Cr-P Alloy Coating

SUN Shuo, YANG Jie, QIAN Xinzhu, CHANG Renli

表4 Ni-Cr-P镀层在0.5 mol·L-1硫酸溶液中的极化曲线和EIS拟合参数

Table 4 Fitting values of potentiodynamic polarization curves and EIS for Ni-Cr-P alloy in 0.5 mol·L-1 H2SO4 solution

c(K2C2O4) g·L-1 EcorrV IcorrμA·cm-2 RpΩ·cm2 RfΩ·cm2 RctΩ·cm2 0 -0.269 100 2275 1566 503.9 2.5 -0.152 4.849 7751 4648 4420 5 -0.130 8.818 4731 2766 1305 10 -0.143 6.626 5863 3392 1670