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【英文标准名称】:StandardSpecificationforElectroplatedEngineeringNickelCoatings
【原文标准名称】:电镀工程镍覆层的标准规范
【标准号】:ASTMB689-1997(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:B08.08.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:nickel;electrodeposit
【摘要】:1.1Thisspecificationcoverstherequirementsforelectroplatednickelcoatingsappliedtometalproductsforengineeringapplications,forexample,foruseasabuildupformismachinedorwornparts,forelectronicapplications,includingasunderplatesincontactsorinterconnections,andincertainjoiningapplications.1.2Electroplatingofnickelforengineeringapplications(Note1)requirestechnicalconsiderationssignificantlydifferentfromdecorativeapplicationsbecausethefollowingfunctionalpropertiesareimportant:1.2.1Hardness,strength,andductility,1.2.2Wearresistance,1.2.3Loadbearingcharacteristics,1.2.4Corrosionresistance,1.2.5Heatscalingresistance,1.2.6Frettingresistance,and1.2.7Fatigueresistance.Note18212;Functionalelectroplatednickelcoatingsusuallycontainabout99%nickel,andaremostfrequentlyelectrodepositedfromaWattsnickelbathoranickelsulfamatebath.Typicalmechanicalpropertiesofnickelelectroplatedfromthesebaths,andthecombinedeffectofbathoperationandsolutioncompositionvariablesonthemechanicalpropertiesoftheelectrodepositaregiveninGuideB832.Whenelectroplatednickelisrequiredtohavehigherhardnesses,greaterwearresistance,certainresidualstressvaluesandcertainlevelingcharacteristics,sulfurandothersubstancesareincorporatedinthenickeldepositthroughtheuseofcertainadditionagentsintheelectroplatingsolution.Fortheeffectofsuchadditives,seeSection4andAnnexA3.Cobaltsaltsaresometimesaddedtotheplatingsolutiontoproducehardernickelalloydeposits.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:7P.;A4
【正文语种】:英语