【英文标准名称】:StandardPracticeforDeterminingElectrolyticCorrosionofCopperbyAdhesives
【原文标准名称】:用粘合剂测定铜的电解腐蚀用标准实施规程
【标准号】:ASTMD3482-2007a
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D14.80
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:粘合剂;铜;腐蚀;测定;电解;工艺
【英文主题词】:adhesives;copper;corrosion;electrolytic
【摘要】:Adhesivescanbeexposedtobothelectricalpotentialandhumidityinmanyelectricalandelectronicapplications.Itisthereforedesirabletoprovideameansofexaminingthecorrosivetendenciesofcertainadhesivestowardsmetals.Althoughelectrolyticcorrosionisadirectresultofionicconductionintheadhesive,thenatureoftheexposedmetalswillhaveabearingonboththeseverityofmetalattackandthevisibilityofcorrosionproducts.Becauseitgivesavisualindicationofcorrosionandbecauseofitswidespreaduseinelectricalcircuits,copperisusedinthispractice.However,thiswouldnotprecludetheuseofothermetalsforspecificinterests.Thisprocedureisasubjectivetestinthatdeterminationsofthepresenceofcorrosionisbasedonavisualinspectionforagreendiscolorationorotherevidenceofcorrosion.1.1Thispracticecoversthedeterminationofwhetheranadhesivehasanycorrosiveeffectoncopper.Itisordinarilyintendedtodistinguishmaterialsthatmightcausecorrosioninelectricalandelectronicequipment.Thisprocedureisasubjectivetestforwhichprecisionandaccuracyhavenotbeenestablished.Itisnotrecommendedforadhesivesonbacking.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:83_180
【页数】:3P.;A4
【正文语种】: