BFe30-1-1铜合金的化学抛光工艺研究

Chemical polishing technology of BFe30-1-1 copper alloy

研究以含硝酸的化学抛光液对BFe30-1-1铜合金进行化学抛光的方法,考察光亮剂的种类、缓蚀剂的种类、化学抛光液各组分的含量、抛光温度以及抛光时间对铜合金抛光效果的影响。结果表明,在实验范围内优化工艺条件为:350～450 mL/L H2SO4,3～5 mL/L HCl,30～40 mL/L HNO3,2～4 mL/L辛基酚聚氧乙烯醚(OP-10),3 g/L苯骈三氮唑(BTA),水余量,抛光温度30℃左右,抛光时间3～5 min。在此工艺条件下对BFe30-1-1铜合金进行化学抛光,可以获得较好的抛光效果。

The process of chemical polishing of BFe30-1-1 copper alloy with nitric acid was investigated.The influence of type of brightener,type of corrosion inhibitor,the polishing solution composition and polishing condition including polishing temperature and polishing time on the surface quality of the polished BFe30-1-1 copper alloy was discussed,and processing condition was optimized.The optimum composition of the chemical polishing solution for the BFe30-1-1 copper alloy was 350~450 mL/L sulfuric acid,3~5 mL/L hydrochloric acid,30~40 mL/L nitric acid,2~4 mL/L polyoxyethylene octylphenol ether,and 3 g/L benzotriazole,while the optimized polishing conditions were temperature 30 ℃ and polishing time 3~5 min.