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【英文标准名称】:StandardGuideforNondestructiveTestingofPolymerMatrixCompositesUsedinAerospaceApplications
【原文标准名称】:用于航空航天器的聚合物基复合材料无损检测的标准指南
【标准号】:ASTME2533-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E07.10
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:acousticemission(AE);aerospacecomposites;bubbleleaktesting;compositeshell;computedradiography(CR);computedtomography(CT);conductivityleaktest;digitaldetectorarrays(DDA);digitalradiography(DR);fiberreinforcedcomposites;heliuml
【摘要】:ThisguidereferencesrequirementsthatareintendedtocontrolthequalityofNDTdata.Thepurposeofthisguide,therefore,isnottoestablishacceptancecriteriaandthereforeapprovecompositematerialsorcomponentsforaerospaceservice.CertainPracticesreferencedintheguidearewrittensotheycanbespecifiedontheengineeringdrawing,specification,purchaseorder,orcontract,forexample,PracticeE1742(Radiography).AcceptanceCriteria8212;Determinationaboutwhetheracompositematerialorcomponentmeetsacceptancecriteriaandissuitableforaerospaceservicemustbemadebythecognizantengineeringorganization.Whenexaminationsareperformedinaccordancewiththereferenceddocumentsinthisguide,theengineeringdrawing,specification,purchaseorder,orcontractshallindicatetheacceptancecriteria.Accept/rejectcriteriashallconsistofalistingoftheexpectedkindsofimperfectionsandtherejectionlevelforeach.Theclassificationofthearticlesundertestintozonesforvariousaccept/rejectcriteriashallbedeterminedfromcontractualdocuments.RejectionofCompositeArticles8212;Ifthetype,size,orquantitiesofdefectsarefoundtobeoutsidetheallowablelimitsspecifiedbythedrawing,purchaseorder,orcontract,thecompositearticleshallbeseparatedfromacceptablearticles,appropriatelyidentifiedasdiscrepant,andsubmittedformaterialreviewbythecognizantengineeringorganization,anddispositionedas(1)acceptableasis,(2)subjecttofurtherreworkorrepairtomakethematerialsorcomponentacceptable,or(3)scrappedwhenrequiredbycontractualdocuments.Acceptancecriteriaandinterpretationofresultshallbedefinedinrequirementsdocumentspriortoperformingtheexamination.Advanceagreementshouldbereachedbetweenthepurchaserandsupplierregardingtheinterpretationoftheresultsoftheexaminations.Alldiscontinuitieshavingsignalsthatexceedtherejectionlevelasdefinedbytheprocessrequirementsdocumentsshallberejectedunlessitisdeterminedfromthepartdrawingthattherejectablediscontinuitieswillnotremaininthefinishedpart.LifeCycleConsiderations8212;ThereferencedNDTpracticesandtestmethodshavedemonstratedutilityinqualityassuranceofPMCsduringthelifecycleoftheproduct.ThemodernNDTparadigmthathasevolvedandmaturedoverthelasttwentyyearshasbeenfullydemonstratedtoprovidebenefitsfromtheapplicationofNDTduring:(a)productandprocessdesignandoptimization,(b)on-lineprocesscontrol,(c)aftermanufactureinspection,(d)in-serviceinspection,(e)andhealthmonitoring.In-processNDTcanbeusedforfeedbackprocesscontrolsincealltestsarebaseduponmeasurementswhichdonotdamagethearticleundertest.TheapplicabilityofNDTmethodstoevaluatePMCmaterialsandcomponentsduringtheirlifecycleissummarizedinTables3and4.GeneralGeometryandSizeConsiderations8212;Partcontour,curvature,andsurfaceconditionmaylimittheabilityofcertainteststodetectimperfectionswiththedesiredaccuracy.Reporting8212;Reportsandrecordsshallbespecifiedbyagreementbetweenpurchaserandsupplier.ItisrecommendedthatanyNDTreportorarchivalrecordcontaininformation,whenavailable,aboutthematerialtype,methodoffabrication,manufacturersname,partn...........
【中国标准分类号】:V13
【国际标准分类号】:49_025_40
【页数】:47P.;A4
【正文语种】:英语