介绍了一种可以产业化应用的无氰镀银新工艺.采用多种测试及表征方法,对镀液稳定性、分散能力及深镀能力等性能进行了测定;对无氰银镀层的外观质量、微观形貌、结合力、可焊性、抗变色性能及导电性等性能与氰化镀银层进行了对比分析.结果表明,无氰镀银新工艺的镀液与镀层性能接近或优于氰化镀银层.
A new process of cyanide-free silver electroplating for industrial application was introduced in this paper.Performances of the plating bath,such as stability,throwing power and covering power were determined by series of tests and characterization methods;appearance quality,microstructure,adhesion,solderability,anti-tarnish properties and electrical conductivity of the cyanide-free silver plated coating were analyzed and compared with that of conventional cyanide silver plated coating.Results showed that the properties of plating bath and coating of the new cyanide-free silver plating process were close to or better than those of traditional cyanide silver plating process.
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