AN ELECTROCHEMICAL METHOD OF DETERMINING THE POROSITY OF BRASS COATINGS ON LOW-CARBON STEEL

被引：3
|
作者：
AROYO, M [1 ]
PARISHEVA, Z [1 ]
机构：
[1] PLOVDIV TECH UNIV,DEPT CHEM,PLOVDIV,BULGARIA
来源：
TRANSACTIONS OF THE INSTITUTE OF METAL FINISHING | 1992年 / 70卷
关键词：
D O I：
10.1080/00202967.1992.11870966
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The present paper describes an electrochemical method of determining the porosity of thin brass coatings by measuring the rate of change in polarization conductance of the system: brass coating - steel substrate - electrolyte. A theoretical explanation of the electrochemical principle of the method is offered. The influence of different factors of the electroplating process, such as pulse current frequency and the presence of a specific additive in the electrolyte, on the porosity of brass coatings has been investigated. Plating conditions under which coatings have minimum porosity are established. There is a close correlation between porosity parameters obtained by this method and rubber adhesion of brass coatings deposited on steel wires.
引用
收藏
页码：168 / 170
页数：3
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