采用对比试验和正交试验,以镀速、孔隙率、镀液稳定性和镀层硬度为评价指标,研究了单一配位剂及复合配位剂对镀液和镀层性能的影响,得到了复合配位剂的最优组合:8.4 g/L 乳酸,6 g/L苹果酸,9 g/L柠檬酸,8 g/L丁二酸,1 g/L丙酸.采用该复合配位剂的工艺配方可提高镀液使用寿命,获得性能优良的镀层.
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