【英文标准名称】:StandardPracticeforAtmosphericExposureofAdhesive-BondedJointsandStructures
【原文标准名称】:胶粘剂粘接接口和结构的空气暴露标准规程
【标准号】:ASTMD1828-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D14.40
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:adhesivebondedjoints;adhesivebondedstructures;adhesives;atmosphericexposure;weathering
【摘要】:Theatmosphericexposuretestsdescribedinthispracticewillevaluatethestabilityoftheadhesivebondonlyintermsofaparticularnaturalatmosphere.Sincetheatmosphericconditionsvarygreatlyfromyeartoyear,theseresultswillnotbeasreproducibleasthosederivedfromlaboratoryagingprocedures.Considerableresearchhasshownthatlaboratoryartificialweatheringtestswillnotgiveconsistentlygoodcorrelationwithoutdoortestexposures(2,3,4).1.1Thispracticecoverstheprocedureforthedirectexposureofadhesivebondedjointsandstructurestonaturalatmosphericenvironments.1.2Theprocedureforshelteredatmosphericexposure,suchasaStevensonscreen(1),ofadhesive-bondedjointsandspecimensisthesameexceptfortherequirementsoffacingsouthandmeasurementofsolarradiation.1.3Thispracticeislimitedtotheprocedurebywhichsamplesareexposedanddoesnotcovertheteststhatmaybeusedtoevaluatetheeffectsofatmosphericexposureontheseadhesive-bondedjointsandstructures.Thesesamplescouldbeanyoneofseveralvarieties.1.3.1Acompletestructurefortest,1.3.2Asectionofastructurefortest,1.3.3Acompletestructureorsectionwithstrengthobservationsonspecimenscuttherefrom,1.3.4Testspecimensthemselves,or1.3.5Anyoftheabove,mountedunderstress.1.4Suitabletestmethodsforevaluationoftheeffectsofexposureincludenondestructivequalitativeorquantitativeobservationsonthesamesampleatprescribedintervals,ordestructivetestsonseparatesetsofspecimensinaccordancewithsuchtestsasTestMethodD1002.Note1-SeeTestMethodsD896andD897.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G38
【国际标准分类号】:83_180
【页数】:3P.;A4
【正文语种】: