化学镀Ni-P镀层防腐蚀后处理工艺的研究
刘光明, 刘斌

Post-treatment Processes for Corrosion Resistance on Electroless Ni-P Coating
LIU Guangming, LIU Bin
表1 试片滤纸实验耐蚀等级与变色时间
Table 1 Discolor time and corrosion resistant grade obtained by HNO3 spot and filter paper test respectively
Sample K3[Fe(CN)6] test K HNO3 spot test / s
Blank 9.3 <10
3-APTS 9.6 31
Stearic acid 9.5 27
Compound 9.8 33