Designation:D4102/D4102M−22StandardTestMethodforThermalOxidativeResistanceofCarbonFibers1ThisstandardisissuedunderthefixeddesignationD4102/D4102M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoverstheapparatusandprocedureforthedeterminationoftheweightlossofcarbonfibers,exposedtoambienthotair,asameansofcharacterizingtheiroxidativeresistance.1.2Units—ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotnecessarilyexactequiva-lents;therefore,toensureconformancewiththestandard,eachsystemshallbeusedindependentlyoftheother,andvaluesfromthetwosystemsshallnotbecombined.1.2.1Withinthetext,theinch-poundunitsareshowninbrackets.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardinformation,seeSection8.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C613/C613MTestMethodforConstituentContentofCom-positePrepregbySoxhletExtractionD3878TerminologyforCompositeMaterials3.Terminology3.1Definitions—TerminologyinaccordancewithTerminol-ogyD3878shallbeusedwhereapplicable.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1carbonfibers,n—fibersproducedbythepyrolysisoforganicprecursorfiberssuchasrayon,polyacrylonitrile(PAN),andpitchin...
