喷射电沉积Ni-P-BN(h)-Al2O3复合镀层的耐腐蚀性能研究

杨寅初,傅秀清,刘琳,马文科,沈莫奇

Electrochemical Corrosion of Ni-P-BN(h)-Al2O3 Composite Coating Deposited by Spray Electrodeposition

Yinchu YANG,Xiuqing FU,Lin LIU,Wenke MA,Moqi SHEN

表1 Ni-P-BN(h)-Al2O3镀层极化曲线分析结果

Table 1 Polarization curve analysis results of Ni-P-BN(h)-Al2O3 composite coating

Injection parameter Self corrosive current density / A·cm-2 Self corrosive potential / V Corrosion rate mm·a-1 22 V, 1.6 mm 1.4244×10-5 -0.46286 0.1724 25 V, 1.6 mm 8.9251×10-6 -0.61029 0.1082 28 V, 1.6 mm 2.0838×10-5 -0.42253 0.2522 25 V, 1.8 mm 5.3521×10-6 -0.53399 0.0648 25 V, 2.0 mm 2.5664×10-6 -0.51047 0.0311