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Antitarnishing of bright tin plating on copper wire
Author(s): 
Pages: 58-59
Year: Issue:  6
Journal: ELECTROPLATING & FINISHING

Keyword:  镀锡光亮防变色铜线材;
Abstract: 铜线材经光亮镀锡后易产生腐蚀变色.讨论了镀锡层产生变色的原因并提出了防变色措施.在酸性光亮镀锡液中加入3-5 g/L硫酸铋,控制电流密度为2-5 A/dm2范围内,铜线材上可得到光亮不变色的锡镀层.
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