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1、---------------------------------------------------------------范文最新推荐------------------------------------------------------环保型镀锌电解液中添加剂性能的比较摘要：镀锌具有成本低、抗腐蚀性好、外表美观和耐贮存等优点,在轻工、仪表、机电、农机和国防等工业中得到广泛应用。本文概述了课题研究的主要意义和碱性镀锌电镀原理，采用了电化学实验方法研究添加剂组成及含量对电解液电流效率、沉积速度、工作电流范围及镀层表面形貌等参数的影响。本论文以氧化锌和氢氧化钠为主要成分的基础碱性镀锌电解液
2、在DE,香草醛等组成添加剂的作用下与基础镀液电镀性能和镀层进行比较，得到与基体结合力好，镀层结晶细致，有一定厚度、均匀且光亮的锌镀层。加入DE,香草醛等添加剂的碱性镀锌电解液镀液稳定、电流密度范围宽、分散能力强、深镀能力好、均镀能力好、操作简单、性价比高。通过对镀层进行一系列的性能测试表明：加入DE25/26---------------------------------------------------------------范文最新推荐------------------------------------------------------,香草醛等添加剂后，镀液和镀层的性能得到了显
3、著的改善，具有较高的应用价值。关键词：碱性溶液；镀锌；添加剂5331Comparisonofadditivesinelectrolyteonperformanceofenvironment-friendlygalvanizedAbstract:Zinchastheadvantagesoflowcost,goodcorrosionresistance,beautifulappearanceandstorageetc.,arewidelyusedinlightindustry,instrument,machinery,agriculturalmachineryanddefenseindustry.
4、Thispaperoutlinestheresearchandbasicgalvanizedprinciple,influencetheelectrochemicalexperimentalmethodsandcontentoftheadditivesonthecurrentefficiency,depositionrate,currentandsurfacemorphologyofcoatingandotherparameters.Basedonzincoxideandsodiumhydroxideasthemaincomponentofthealkalinezincplatingelect
5、rolytebasedinDE,vanillincompositionundertheactionofadditivesandbaseplatingplatingandcoatingpropertieswerecompared,withgoodadhesion,coatingoffinecrystal,withazincplatinglayerwithcertainthickness,uniformandbright.JoinDE,alkalinezincelectrolytevanillinadditiveplatingsolutionisstable,widerangeofcurrentd
6、ensity,dispersionability,goodabilityofdeepplating,platingability,simpleoperation,highratioof25/26---------------------------------------------------------------范文最新推荐------------------------------------------------------performancetoprice.Indicatedthroughtheperformancetestonaseriesofdeposits:addingD
7、Eadditive,vanillin,thepropertiesoftheplatingsolutionandplatinglayerisimproved,ithasahigherapplicationvalue.5.2.2氢氧化钠155.2.3DE、三乙醇胺155.2.4香草醛165.3操作及条件175.3.1电流密度对镀层的影响175.3.2搅拌对镀层的影响185.3.325/26------
