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3 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 3 Fitting values of potentiodynamic polarization curves and EIS for Ni-Cr-P alloy in 0.5 mol·L-1 H2SO4 solution

c(C2H5NO2) g·L-1 EcorrV IcorrμA·cm-2 RpΩ·cm2 RfΩ·cm2 RctΩ·cm2 0.1 -0.060 14.450 4819 --- 3592 4 -0.051 19.380 2580 2720 924 6 -0.062 7.787 5123 4190 1561 15 -0.073 8.108 5432 3801 1366