PlatingandFinishingMar.2023Vol.45No.3SerialNo.360316L不锈钢带卷镀铜厚度不均匀性研究刘晓东，朱晴晴，李宵宵，周赵琪，何康，王振卫*（上海应用技术大学化学与环境工程学院，上海201418）摘要：本文研究了对316L不锈钢带进行除油、同槽活化镀镍预处理后，以卷绕方式电镀铜工艺中，改变极间距、电流密度、采用仿形阳极等措施对镀层表面形貌和厚度分布不均匀性的影响。结果表明，在两侧放置铜板做阳极的情况下，镀铜层厚度随极间距的增加而减薄，并按照卷绕圈数呈波动变化。采用仿形阳极后，厚度波动情况缓解。镀铜层厚度均匀性的影响因素按照影响大小依次排序为：阳极形状>极间距>电流密度。经过改进的卷绕镀铜工艺较佳参数为：预镀镍极间距4cm，双镍板阳极，电流密度2A/dm2，温度40oC；镀铜极间距3cm、双仿形磷铜阳极，电流密度2A/dm2，室温。电镀20min时镀层厚度极差和标准差为8.06μm和1.61μm，远低于改进前的37.42μm和8.27μm，镀层厚度不均匀性得到改善。关键词：316L不锈钢；卷镀；镀铜；厚度；不均匀性中图分类号：TQ153文献标识码：AStudyonthicknessinhomogeneityofwinding-platingcopperlayeron316LstainlesssteelstripLiuXiaodong，ZhuQingqing，LiXiaoxiao，ZhouZhaoqi，HeKang，WangZhenwei*（SchoolofChemicalandEnvironmentalEngineering，ShanghaiInstituteofTechnology，Shanghai201418，China）Abstract：316Lstainlesssteelstripswerewinding-platedwithacidcoppersolutionafterdegreasing，co-tankactivationandnickelpre-plating.Themorphologyandthicknesscharacteristicsofcopperlayerwereinvestigatedwithchangingelectrodedistance，currentdensityandprofileanode.Theresultsshowthatthethicknessofcoppercoatingdecreaseswiththeincreaseofelectrodedistanceandfluctuatescyclicallyastwocopperanodeplatesareplacedatthetwosides.Theinfluencingfactorsofcoatingthicknessuniformityareasfollows：anodeshape>electrodedistance>currentdensity.Theoptimizedparametersofthecopperwinding-platingprocessareasfollows：pre-nickelelectrodedistanceof3cm，doublenickelplateanode，currentdensityof2A/dm2，temperatureof40oC；copperelectrodedistanceof3cm，doubleprofiledanodeofphosphorcopperanode，currentdensityof2A/dm2，roomtempera‐ture.At20minforcopperplating，thecoatingthicknessrangeandstanda...
