GBT 42610-2023《高压氢气瓶塑料内胆和氢气相容性试验方法（英文版）.docx

ICS23.020.30CCSJ74OBNationalStandardofthePeoplefSRepublicofChinaGBT42610-2023TestMethodforEvaluatingHydrogenCompatibilityofPlastic1.inerofHighPressureGaseousHydrogenCylindersPromulgatedonXXXXXXXXImDlementedonXXXXXXXXPromulgatedbyGeneralAdministrationofQualitySupervision,InspectionandQuarantineofthePeoplefsRepublicofChinaStandardizationAdministrationofthePeople,sRepublicofChinaContentsForewordII1 Scope12 NormativeReferences13 Terms,Definitions,andSymbols24 Generalrequirements25 TestConditions36 TestMethods47 TestReport12AnnexA(Informative)BasicStructureofMainBodyofHydrogenPermeationTestDevice14GBZTXXXXX-XXXXForewordThisstandardisdraftedinaccordancewiththerulesgivenintheGB/T1.1-2020DirectivesforStandardization-Part1:RulesfortheStructureandDraftingofStandardizingDocuments.ThisstandardhasbeenredraftedandmodifiedadoptionofinternationalStandardISO11114-5:2022Gascylinders-Compatibilityofcylinderandvalvematerialswithgascontents-Part5:Testmethodsforevaluatingplasticliners.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisstandardmaybethesubjectofpatentrights.Theissuingbodyofthisstandardshallnotbeheldresponsibleforidentifyinganyorallpatentrights.ThisstandardwasproposedandpreparedbySAT/TC31(NationalTechnicalCommittee31onCylinderofStandardizationAdministrationofChina).SAC/TC31isinchargeofthisEnglishtranslation.IncaseofanydoubtaboutthecontentsofEnglishtranslation,theChineseoriginalshallbeconsideredauthoritative.DraftingunitsofthisDocument:MaindraftersofthisDocument:ItisthefirstreleaseofthisDocument.TestMethodforEvaluatingHydrogenCompatibilityofPlastic1.inerofHighPressureGaseousHydrogenCylinders1 ScopeThisstandardspecifiesthetermsanddefinitions,generalrequirements,testconditions,testmethodsandtestreportsconcerningthehydrogencompatibilitytestfortheplasticlinerofhighpressuregaseoushydrogencylinders.Thisstandardisapplicabletotheevaluationonhydrogencompatibilityofplasticlinerforthehighpressuregaseoushydrogencylinderfeaturinganominalworkingpressureofnotmorethan70MPa,astoragemediumofcompressedhydrogen,atesttemperatureofnotlowerthan-40butnothigherthan85.2 NormativeReferencesThefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.GB/T1033.1PlasticsMethodsforDeterminingtheDensityofNon-celluarPlastics-Part1:ImmersionMethod,1.iquidPyknometerMethodandTitrationMethodGB/T1040.1PlasticsDeterminationofTensilePropertiesPart1:GeneralPrinciplesGB/T1040.2PlasticsDeterminationofTensilePropertiesPart2:TestConditionsforMouldingandExtrusionPlasticsGB/T5163SinteredMetalMaterials,ExcludingHardmetalsPermeableSinteredMetalMaterialsDeterminationofDensity,OilContent,andOpenPorosityGB/T5330.1IndustrialWireScreensandWovenWireClothGuidetotheChoiceofApertureSizeandWireDiameterCombinationsPart1:GeneralitiesGB/T5832.1GasAnalysisDeterminationofMoisturePart1;ElectrolyticMethodGB/T5832.2GasAnalysisDeterminationofMoisturePart2;DewPointMethodGB/T6285DeterminationofTraceOxygeninGasesElectrochemicalMethodGB/T13005TerminologyofGasCylindersGB/T28726GasAnalysisGasChromatographwithHeliumIonizationDetectorGB/T29729EssentialrequirementsfortheSafetyofHydrogenSystemsGB/T34542.1StorageandTransportationSystemsforGaseousHydrogenPart1:GeneralRequirementsGB/T37244FuelSpecificationforProtonExchangeMembraneFuelCellVehicles一Hydrogen3 Terms,Definitions,andSymbols3.1 TermsanddefinitionsForthepurposesofthisdocument,thetermsanddefinitionsgiveninGB/T13005andthefollowingapply.3.1.1 plasticlinerAninnerplasticshellwhich,incontactwiththegasfilledandwrappedwithacarbonfiberreinforcementlayeronitsoutersurface,isdesignedforgassealingandnotforpressureloadbearing.3.1.2 seamlesslinerAplasticlinermoldedinonepieceandhavingnosplicedwelds.3.1.3 weldedlinerAplasticlinerwithsplicedwelds.3.1.4 blisterAlocalizedbubble-likedefectinpolymer.3.1.5 nominalworkingpressure(P)Thelimitedfillingpressureofacylinderunderthereferencetemperature(15).3.2 SymbolsThefollowingsymbolsapplytothisDocument.BThicknessofdiscsample(m);Pe,Gaspermeabilitycoefficientofmaterial(mol.m(m2.s.Pa);SSurfaceareaofthesampleexposedtohydrogenduringthepermeationtest(m2);APPressuredifferencebetweenhigh-pressuresideandlow-pressuresideofthesampleduringthepenetrationtest(Pa);丝/Gastransmissionrateduringsteadypermeation(mols).4 Generalrequirements4.1 Thetestsofhydrogencompatibilityofplasticlinerforhighpressuregaseoushydrogencylinderinvolveplasticlinermaterialtestandcylinderlinertest.Theplasticlinermaterialtestincludeshydrogenpermeationtest,physicalpropertytest,mechanicalpropertytest(tensilepropertytest),hydrogeninitialcyclingtestandhydrogenextendedagingtest;thecylinderlinertestincludesextremetemperaturecyclingtest,linercollapseandblistertest.ThetestprocedureisasshowninFigure1.4.2 Thehydrogencompatibilitytestapparatusshallbedesigned,installedandmanagedasspecifiedinGB/T29729andGB/T34542.1.4.3 Thetestapparatusshouldbefreefromimpuritiesthatcouldinteractwiththesampleundertestorcontaminatethehydrogentestgas.5 TestConditions5.1 Gassource5.1.1 ThecompositionofhydrogenusedinthetestshallconformtotherequirementsonqualityofhydrogenforfuelcellvehiclesasspecifiedinGB/T37244.5.1.2 Thepurityofnitrogenorinertgasusedforreplacementshallbegreaterthanorequalto99.999%.5.2 ReplacementFigure1Procedurefortestsofhydrogencompatibilityofplasticlinerforhighpressuregaseoushydrogencylinder5.2.1 Priortothetest,thetestsystemandhydrogensupplypipelinesystemshallbereplacedwithnitrogenorinertgas,andthenwithhydrogen.Thevolumeofoxygeninthetestsystemshallbetestedbeforetheintroductionofhydrogen,whichshallnotexceed1%.Uponcompletionofthereplacement,thevolumeofoxygeninthetestsystemshouldbelessthanorequaltol×106,andthevolumeofwatershouldbelessthanorequalto5×106.5.2.2 OxygencontentshouldbetestedasspecifiedinGB/T28726orGB/T6285,watercontentshouldbetestedasspecifiedinGB/T5832.1orGB/T5832.2.5.2.3 Whenthehydrogen,replacementgasandreplacementprocedureusedforthetestcomplywiththeprovisionsof5.1.1,5.1.2and5.2.1respectively,andwhentheoxygenandwatercontentinthetestsystemmeettherequirementsof5.2.1inthreeconsecutivetests,itisnotnecessarytodetecttheoxygenandwatercontentinthetestsystemwithin6months.6 TestMethods6.1 Plasticlinermaterialtest6.1.1 Generalrequirements6.1.1.1 Thebasematerialtestshallbecarriedoutfortheseamlessplasticliner,andthebasematerialtestandweldedjointtestshallbecarriedoutfortheweldedplasticliner.6.1.1.2 Thesamplesforplasticlinermaterialtestshallbetakenfromtwocircumferentialsectionsofthesameliner.Take4hydrogenpermeationsamplesand1physicalpropertysampleatanintervalof120oalongthecircumferentialdirectionofonesection.Take6tensilepropertysamples,and2hydrogenagingsamplesatanintervalof120oalongthecircumferentialdirectionoftheothersection,asshowninFigure2:a) Seamlessplasticliner:thesectionsforsamplingfallinthemiddleofthebarrelwhilethesectionspacingshallbegreaterthan200mm;b) Weldedplasticliner:whenthereisonecircumferentialweldedjoint,takesamplesfromthemiddlebetweenthetwoendsofthecylinderandtheweldedjoints;whentherearetwocircumferentialweldedjoints,takesamplesfromthemiddleofthecylinder,andthecross-sectionalspacingshouldbegreaterthan200mm.6.1.1.3 Forweldedplasticliners,take6tensilepropertiessamplesand2hydrogenagingsamplesatanintervalof120oalongthecircumferentialdirectionateachweldingjoint.Forblowmoldedlinerswithpartinglines,take6tensileperformancesamplesand2hydrogenagingsamplesatthemoldline,andthesamplinglocationsareshowninFigure2.Whensampling,ensurethattheweldorpartinglineisinthemiddleofthesample.6.1.1.4 Thesamplesurfaceshallbefreeofwrinkles,creases,inclusions,porosityorotherdefects.6.1.1.5 Thesamplesshallbestoredproperlyinadryenvironment.Figure2Samplingsiteforplasticlinermaterialtest6.1.2 Hydrogenpermeationtest6.1.2.1 Sample6.1.2.1.1 Thediscsamplewithadiameterof(78±1)mmshouldbeused.Thediameterofthecontactareabetweenthesampleandhydrogenshallbegreaterthanorequalto25mm,whilethethicknessofthesampleistakenasthethicknessoftheinnertank.6.1.2.1.2 Forthesamelinermaterial,12hydrogenpermeationtestsamplesshallbeprepared,dividedintothreegroups,4samplesineachgroup.6.1.2.1.3 Priortothetest,thediscsampleshallbeplacedinavacuumdryingoven,wheretheabsolutepressureis1,000Pa-5,000Paandthetemperatureis65,untilthemasslossofthesampleislessthan0.1%within24h.6.1.2.2 Testdevice6.1.2.2.1 SeeAnnexAforthebasicstructureofthemainbodyofthehydrogenpermeationtestdevice.6.1.2.2.2 Themeshsizeofthewire-meshscreenshouldbelessthanorequalto0.15mm,thepercentageofsieveareashouldbegreaterthanorequalto35%,andthewirediametershouldbeselectedasspecifiedinGB/T5330.1.6.1.2.2.3 Theopeningporosityofsinteredmetalsupportshouldbegreaterthanorequalto40%anditshouldbecalibratedasspecifiedinGB/T5163beforethetest.6.1.2.2.4 Thesealingringshouldbereplacedeverytimethehydrogenpermeationtestiscarriedout.6.1.2.2.5 Thecontrolaccuracyofthetemperaturecontroldeviceshallnotbelowerthan÷1;thecontrolaccuracyofthepressurecontroldeviceshallnotbelowerthan±1%ofthetestpressure.6.1.2.3 Testprocedure6.1.2.3.1 Priortothetest,thecavityonthehighpressuresideofthesampleshallbereplacedaccordingtotherecommendationsgivenin5.2.1.6.1.2.3.2 Performthehydrogenpermeationtestunderthefollowingtemperatureandpressureconditionsforeachofthe4groupsofsamples:a) (55±1),1.15timesthenominalworkingpressureofthecylinder;b) (15±1),1.0timesthenominalworkingpressureofthecylinder;c) (55±1),0.1timesthenominalworkingpressureofthecylinder;d) (15±1),0.1timesthenominalworkingpressureofthecylinder.6.1.2.3.3 Atthespecifiedtesttemperature,pressurizethehighpressuresideofthesampletothespecifiedtestpressure.Afterthetemperatureandpressureonthehighpressuresidearestabilized,measurethehydrogentransmissionrateonthelowpressuresideofthesample.Samplingshouldbeperformedatleastonceevery10mininthenon-steadystatephase,andatleastonceevery30mininthesteadystatephase,untilthemaximumdeviationofthehydrogentransmissionrateislessthanorequalto÷1%overaperiodofmorethan24h.Recordthehydrogentransmissionrateonthelow-pressuresideversustime,asshowninFigure3.6.1.2.3.4 Methodsformeasuringthehydrogentransmissionrateonthelow-pressuresideincluding(butnotlimitedto):a) Measurethechangeofhydrogenconcentrationonthelow-pressureside;b) Measuringgaspressurechangesonthelow-pressureside;c) Measurethegasvolumechangeonthelow-pressureside;d) Adoptotherequivalentmethods.6.1.2.3.5 Atthecompletionofthetest,thepressurereleaserateonthehigh-pressuresideofthesampleshouldnotbelessthan1.2timesthemaximumhydrogenreleaserateofthecylinderduringactualuse.6.1.2.3.7 Followingthecompletionofthetest,thesamplesurfaceshallbeinspectedandrecordedforthepresenceofblisterorotherdefectsr11equalityofthesampleshouldbemeasuredandrecordedrespectivelybeforethetestand48hafterthetest.6.1.2.3.8 Eachgroupofsamplesshallbesubjectedtothehydrogenpermeationtestrespectivelybeforethehydrogencycletestand48hoursafterthehydrogencycletestaccordingtothetestprocedureshowninFigure1.6.1.2.3.9 CalculatethehydrogenpermeabilitycoefficientaccordingtoFormula(1).丝a(1)/SAP(o三)/ZnS2dmo二Ce营u.2，wulSUEUj30=PA=SteadystateFigure3Examplecurveofhydrogentransmissionrateversustimeonthelowpressureside6.1.3 Physicalpropertytest6.1.3.3 Sample6.1.3.1.1 Thelong-stripsamplewithalengthof(40±0.2)mm,awidthof(10÷0.2)mmandathicknessof(4÷0.2)mmshouldbeused.Whenthethicknessofthelinerislessthan4mm,thethicknessofthesampleshouldbeequaltothatoftheliner.6.1.3.1.2 Forthesamelinermaterial,atleast3samplesshallbepreparedforthephysicalpropertytest.6.1.3.2 Testdevice6.1.3.2.1 ThedensitymeasuringinstrumentshallconformtotherelevantprovisionsofMethodAinGB/T1033.1.6.1.3.2.2 Forthesamplewithamassof1g5g,themeasuredvalueshallbeaccurateto0.1mg;forthesamplewithamassgreaterthan5g,themeasuredvalueshallbeaccurateto1mg.6.1.3.2.3 Thedimensionmeasuringequipmentshallhaveanaccuracyofnotlessthan0.0025mm.6.1.3.3 Testmethod6.1.3.3.1 Measurethesamplemass,densityandvolumeaccordingtothefollowingsteps:a) Recordappearanceimagesofthesamplebyusingadigitalcamera;b) Measuredrymassofthesamplebyusingananalyticalbalance;c) Weighthetotalmassoftheimpregnationvesselandimpregnationsolutionbyusingananalyticalbalance,andweighthemassofthesuspensionwireandsettlingblockseparately;d) Immersethesampleintheimpregnationsolution,removetheairbubblesonthesamplesurfaceandweighthesample,wherethesampleshallnotbeincontactwithwalloftheimpregnationvessel;e) Drysurfaceofthesampletakenout;f) CalculatedensityandvolumeofthesampleasspecifiedinGB/T1033.1.6.1.3.3.2 Measuredimensionsofthesamplebyusingatoolmicroscopeorotherappropriatemeasuringinstrument.6.1.3.3.3 Measure,priortothehydrogencyclingtest,within10minuponcompletionofthetest,24hlateruponcompletionofthetestand48hlateruponcompletionofthetest,dimensions,volume,massanddensityofthesample,respectively,aswellasrecordapparentimagesofthesample.6.1.3.4 Acceptanceindicators48hlateruponcompletionofthehydrogencyclingtest,thesamplemasschangerateislessthanorequalto0.75%,itsdensitychangerateislessthanorequalto0.75%,anditsvolumechangerateislessthanorequalto10%.6.1.4 Mechanicalpropertytest6.1.4.1 Sample6.1.4.1.1 ThesampleshapeanddimensionsshallconformtotheprovisionsofGB/T1040.2.6.1.4.1.2 Forthesamelinermaterial,18samplesshallbepreparedforthemechanicalpropertytest,dividedinto2groups,9foreachgroup.6.1.4.2 TestdeviceThetestdeviceshallconformtotheprovisionsofGB/T1040.1,GB/T1040.2andrelevantnationalstandards.6.1.4.3 TestmethodThemechanicalpropertytestfortheplasticlinermaterialshallconformtotheprovisionsofGB/T1040.1,GB/T1040.2andrelevantnationalstandards.Thetestshallbeperformedaccordingtothefollowingsteps:a) Priortothehydrogencyclingtest,perfonnthetensiletestforthefirstgroupofsamplesatroomtemperature,-50and90(3samplesforeachtemperature),respectively,andthenrecordthetensilecurve;b) Completethehydrogencyclingtestwiththesecondgroupofsamples,andperform,48hlateruponcompletionofthehydrogencyclingtest,thetensiletestatroomtemperature,-50and90(3samplesforeachtemperature),andthenrecordthetensilecurve;c) Evaluatethematerialmechanicalpropertyofthesample.6.1.4.4 AcceptanceindicatorsThesamplesuffersaductilefracture,wherethetensilestrengthandnominalstrainoftensilefracturemeetrequirementsofthedesigndocumentation.Underthesametesttemperature,theaveragetensilestrengthofthematerialbeforeandafterthehydrogencyclingtestshallnotchangebymorethan20%,andtheaveragenominalstrainoftensilefractureshallnotchangebymorethan20%.6.1.5 Hydrogencyclingtest6.1.5.1 SampleThesamplesforhydrogencyclingtestshallinclude:a) The12samplesthathaveundergonethefirsthydrogenpermeationtestin6.1.2;b) The3samplesthathaveundergonethefirstphysicalpropertytestin6.1.3;c) Thesecondgroupofsamplesin6.1.4.6.1.5.2 Testdevice6.1.5.2.1 Thetest