ASTM_E_1823_-_13.pdf

Designation:E182313Standard TerminologyRelating to Fatigue and Fracture Testing1This standard is issued under the fixed designation E1823;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This terminology contains definitions,definitions ofterms specific to certain standards,symbols,and abbreviationsapproved for use in standards on fatigue and fracture testing.The definitions are preceded by two lists.The first is analphabetical listing of symbols used.(Greek symbols are listedin accordance with their spelling in English.)The second is analphabetical listing of relevant abbreviations.1.2 This terminology includes Annex A1 on Units andAnnex A2 on Designation Codes for Specimen Configuration,Applied Loading,and Crack or Notch Orientation.2.Referenced Documents2.1 ASTM Standards:2E6 Terminology Relating to Methods of Mechanical TestingE23 Test Methods for Notched Bar Impact Testing of Me-tallic MaterialsE28 Test Methods for Softening Point of Resins Derivedfrom Pine Chemicals and Hydrocarbons,by Ring-and-Ball ApparatusE208 Test Method for Conducting Drop-Weight Test toDetermine Nil-Ductility Transition Temperature of Fer-ritic SteelsE338 Test Method of Sharp-Notch Tension Testing of High-Strength Sheet Materials(Withdrawn 2010)3E399 Test Method for Linear-Elastic Plane-Strain FractureToughness KIcof Metallic MaterialsE436 Test Method for Drop-Weight Tear Tests of FerriticSteelsE467 Practice for Verification of Constant Amplitude Dy-namic Forces in an Axial Fatigue Testing SystemE468 Practice for Presentation of Constant Amplitude Fa-tigue Test Results for Metallic MaterialsE561 Test Method forK-R Curve DeterminationE602 Test Method for Sharp-Notch Tension Testing withCylindrical Specimens(Withdrawn 2010)3E604 Test Method for Dynamic Tear Testing of MetallicMaterialsE606 Test Method for Strain-Controlled Fatigue TestingE647 Test Method for Measurement of Fatigue CrackGrowth RatesE739 Practice for StatisticalAnalysis of Linear or LinearizedStress-Life(S-N)and Strain-Life(-N)Fatigue DataE740 Practice for Fracture Testing with Surface-Crack Ten-sion SpecimensE813 Test Method for JIc,A Measure of Fracture ToughnessE992 Practice for Determination of Fracture Toughness ofSteels Using Equivalent Energy MethodologyE1049 Practices for Cycle Counting in Fatigue AnalysisE1152 Test Method for Determining-J-R-CurvesE1221 Test Method for Determining Plane-Strain Crack-Arrest Fracture Toughness,KIa,of Ferritic SteelsE1290 Test Method for Crack-Tip Opening Displacement(CTOD)Fracture Toughness Measurement(Withdrawn2013)3E1304 Test Method for Plane-Strain(Chevron-Notch)Frac-ture Toughness of Metallic MaterialsE1450 Test Method for Tension Testing of Structural Alloysin Liquid HeliumE1457 Test Method for Measurement of Creep CrackGrowth Times and Rates in MetalsE1681 Test Method for Determining Threshold Stress Inten-sity Factor for Environment-Assisted Cracking of MetallicMaterialsE1737 Test Method forJ-Integral Characterization of Frac-ture Toughness(Withdrawn 1998)3E1820 Test Method for Measurement of Fracture ToughnessE1921 Test Method for Determination of ReferenceTemperature,To,for Ferritic Steels in the TransitionRangeE1942 Guide for Evaluating Data Acquisition Systems Usedin Cyclic Fatigue and Fracture Mechanics TestingE2207 Practice for Strain-Controlled Axial-Torsional Fa-tigue Testing with Thin-Walled Tubular SpecimensE2208 Guide for Evaluating Non-Contacting Optical StrainMeasurement Systems1This terminology is under the jurisdiction ofASTM Committee E08 on Fatigueand Fracture and is the direct responsibility of Subcommittee E08.02 on Standardsand Terminology.Current edition approved Feb.1,2013.Published May 2013.Originallyapproved in 1996.Last previous edition approved in 2012 as E1823 12e.DOI:10.1520/E1823-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 E2298 Test Method for Instrumented Impact Testing ofMetallic MaterialsE2443 Guide for Verifying Computer-Generated Test Re-sults Through The Use Of Standard Data SetsE2472 Test Method for Determination of Resistance toStable Crack Extension under Low-Constraint ConditionsE2714 Test Method for Creep-Fatigue TestingE2760 Test Method for Creep-Fatigue Crack Growth TestingG15 Terminology Relating to Corrosion and Corrosion Test-ing(Withdrawn 2010)33.Terminology3.1Alphabetical Listing of Principal Symbols Used in ThisTerminology:SymbolTermacrack d