Designation:E1823−13StandardTerminologyRelatingtoFatigueandFractureTesting1ThisstandardisissuedunderthefixeddesignationE1823;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisterminologycontainsdefinitions,definitionsoftermsspecifictocertainstandards,symbols,andabbreviationsapprovedforuseinstandardsonfatigueandfracturetesting.Thedefinitionsareprecededbytwolists.Thefirstisanalphabeticallistingofsymbolsused.(GreeksymbolsarelistedinaccordancewiththeirspellinginEnglish.)Thesecondisanalphabeticallistingofrelevantabbreviations.1.2ThisterminologyincludesAnnexA1onUnitsandAnnexA2onDesignationCodesforSpecimenConfiguration,AppliedLoading,andCrackorNotchOrientation.2.ReferencedDocuments2.1ASTMStandards:2E6TerminologyRelatingtoMethodsofMechanicalTestingE23TestMethodsforNotchedBarImpactTestingofMe-tallicMaterialsE28TestMethodsforSofteningPointofResinsDerivedfromPineChemicalsandHydrocarbons,byRing-and-BallApparatusE208TestMethodforConductingDrop-WeightTesttoDetermineNil-DuctilityTransitionTemperatureofFer-riticSteelsE338TestMethodofSharp-NotchTensionTestingofHigh-StrengthSheetMaterials(Withdrawn2010)3E399TestMethodforLinear-ElasticPlane-StrainFractureToughnessKIcofMetallicMaterialsE436TestMethodforDrop-WeightTearTestsofFerriticSteelsE467PracticeforVerificationofConstantAmplitudeDy-namicForcesinanAxialFatigueTestingSystemE468PracticeforPresentationofConstantAmplitudeFa-tigueTestResultsforMetallicMaterialsE561TestMethodforK-RCurveDeterminationE602TestMethodforSharp-NotchTensionTestingwithCylindricalSpecimens(Withdrawn2010)3E604TestMethodforDynamicTearTestingofMetallicMaterialsE606TestMethodforStrain-ControlledFatigueTestingE647TestMethodforMeasurementofFatigueCrackGrowthRatesE739PracticeforStatisticalAnalysisofLinearorLinearizedStress-Life(S-N)andStrain-Life(ε-...
