Designation:E2092−13StandardTestMethodforDistortionTemperatureinThree-PointBendingbyThermomechanicalAnalysis1ThisstandardisissuedunderthefixeddesignationE2092;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribesthedeterminationofthetemperatureatwhichthespecificmodulusofatestspecimenisrealizedbydeflectioninthree-pointbending.Thistemperatureisidentifiedasthedistortiontemperature.Thedistortiontemperatureisthattemperatureatwhichatestspecimenofdefinedgeometrydeformstoalevelofstrainunderappliedstressof0.455MPa(66psi)(MethodA)and1.82MPa(264psi)(MethodB)equivalenttothoseusedinTestMethodD648.Thetestmaybeperformedovertherangeoftemperaturefromambientto300°C.NOTE1—ThistestmethodisintendedtoprovideresultssimilartothoseofTestMethodD648butareperformedonathermomechanicalanalyzerusingasmallertestspecimen.EquivalenceofresultstothoseobtainedbyTestMethodD648hasbeendemonstratedonalimitednumberofmaterials.TheresultsofthistestmethodshallbeconsideredtobeindependentandunrelatedtothoseofTestMethodD648unlesstheuserdemonstratesequivalence.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.1.4ThereisnoISOstandardequivalenttothistestmethod.2.ReferencedDocuments2.1ASTMStandards:2D648TestMethodforDeflectionTemperatureofPlasticsUnderFlexuralLoadintheEdgewisePositionE473TerminologyRelatingtoThermalAnalysisandRhe-ologyE1142TerminologyRelatingtoThermophysicalPropertiesE1363TestMethodforTemperatureCalibrationofThermo-mechanicalAnalyzersE2113TestMethodforLengthChangeCalibra...
