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

c(CrCl3) g·L-1 EcorrV IcorrμA·cm-2 RpΩ·cm2 RfΩ·cm2 RctΩ·cm2 3 -0.044 9.278 5055 4469 1417 5 -0.068 6.971 6019 5042 1935 10 -0.085 7.178 5984 4427 1233 15 -0.035 9.404 5115 1409 320.9 20 -0.190 8.741 4790 4575 886.3