滚镀黄铜层产生斑点的成因与控制  

Cause and Control of Spots in Brass Barrel Plating of Small Hardware

作　　者：刘炳根[1] 曹经倩[1] 周雅[1] 谢春 王金芳 

机构地区：[1]南昌航空工业学院材料系,江西南昌330034 [2]安徽宝圣实业有限公司,安徽蚌埠233010

出　　处：《材料保护》2003年第6期57-58,共2页Materials Protection

摘　　要：　分析了小五金产品滚镀黄铜层易产生棕黑斑点的原因,论述了黄铜层出现棕黑斑点是零件基材腐蚀的开始。提出了控制黄铜层棕黑斑点形成和扩展的方法。Causes of brown or black spots in brass barrel plating of small hardware were analyzed and some counter measures were put forward. The appearance of brown or black spots on brass layer was a corrosion precursor of material matrix. The controlling method could only slow down the formation of spots on the brass layer but not eliminate quite.

关 键 词：滚镀 黄铜层 栋黑斑点 

分 类 号：TQ153[化学工程—电化学工业]