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Non-cyanide copper plating on steel substrate in alkaline citrate bath
Author(s): 
Pages: 1-4
Year: Issue:  6
Journal: Electroplating & Finishing

Keyword:  钢铁基体碱性无氰镀铜柠檬酸盐电流效率深镀能力极化曲线;
Abstract: 以柠檬酸盐为配位剂,结合胺化合物为辅助配位剂,研究了钢铁基体上无氰镀铜工艺.探索了搅拌方式、温度、pH、铜离子质量浓度和添加荆质量浓度对镀层质量的影响以及该工艺抗Fe2+、Fe3+、Zn2+,Sn4+等杂质的能力.试验结果表明,电流效率在90%左右,并随电流密度、温度和pH的提高而增大;镀液深镀能力达100%.通过极化曲线,解释了配位剂和添加剂的作用.
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