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Application of double-pulse DMS cyanide bright silver plating technology
Author(s): 
Pages: 42-43
Year: Issue:  2
Journal: ELECTROPLATING & FINISHING

Keyword:  双脉冲电镀氰化光亮镀银DMS光亮剂;
Abstract: 介绍了双脉冲氰化光亮镀银的工艺流程和工艺配方.讨论了脉冲电源参数、镀液中的硝酸银、氰化钾和 DMS光亮剂的质量浓度以及镀液温度对镀层质量的影响.对镀层缺陷产生的原因进行了分析.实践证明,与直流电镀相比,在 20~ 30 ℃的镀液中,采用双脉冲 DMS氰化光亮镀银工艺,可以获得外观光亮的银镀层,且其抗变色性能增强,同时生产效率提高 30 %,每年可以节约银 20 % 、铜刷 72只、工时 1240 h.
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