ASTM E1823-2013 Standard Terminology Relating to Fatigue and Fracture Testing《与疲劳和裂纹试验相关的标准术语》.pdf
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1、Designation: E1823 13Standard 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 par
2、entheses 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
3、 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
4、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 Metho
5、ds for Softening Point of Resins Derivedfrom Naval Stores 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Temperature of Fer-ritic SteelsE338 Test Method of Sharp-Notch Tension Testing of High-Strength Sheet Materials (Withdrawn 2010)3E
6、399 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 Amp
7、litude 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Test Method forK-R Curve DeterminationE602 Test Method for Sharp-Notch Tension Testing withCylindrical Specimens (Withdrawn 2010)3E604 Test Method for Dynamic Tear Testing of MetallicMaterialsE606 Practice for Strain-Controlled Fatigue TestingE
8、647 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,AMeasure of Fracture ToughnessE
9、992 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 SteelsE1
10、290 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 Measurem
11、ent of Creep CrackGrowth Times 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 To
12、ughnessE1921 Test Method for Determination of ReferenceTemperature, To, for Ferritic Steels in the TransitionRangeE1942 Guide for Evaluating DataAcquisition Systems Usedin Cyclic Fatigue and Fracture Mechanics TestingE2207 Practice for Strain-Controlled Axial-Torsional Fa-tigue Testing with Thin-Wal
13、led 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,
14、 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 informati
15、on, 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 States1E2298 Test Method for Instrumented
16、 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 f
17、or Creep-Fatigue Crack Growth TestingG15 Terminology Relating to Corrosion and Corrosion Test-ing (Withdrawn 2010)33. Terminology3.1 Alphabetical Listing of Principal Symbols Used in ThisTerminology:Symbol Terma crack depth, crack length, crack size, estimated cracksizeaeeffective crack sizeannotch
18、lengthaooriginal crack sizeapphysical crack sizea/W normalized crack sizeA force ratio (Pa/Pm)ANnet-section areab remaining ligamentbooriginal uncracked ligamentB specimen thicknessBeeffective thicknessBNnet thickness2c surface-crack lengthC normalized K-gradientD cycle ratio (n/Nf)C*(t) C*(t) Integ
19、ralda/dN fatigue-crack-growth rate crack-tip opening displacement (CTOD)d specimen gage lengtha crack extension, estimated crack extensionK stress-intensity-factor rangeKthfatigue-crack-growth thresholdP force rangeastrain amplitudeininelastic strainmmean forceG crack-extension forceGRcrack-extensio
20、n resistanceH* specimen center of pin hole distance the path of the J-integralJJ-integralJIcplane-strain fracture toughnessJRcrack-extension resistancekffatigue notch factorkttheoretical stress concentration factor (sometimesabbreviated stress concentration factor)K, K1, K2, K3,KI, KII, KIIIstress-i
21、ntensity factor (see mode)Kacrack-arrest fracture toughnessKcplane-stress fracture toughnessKEACstress intensity factor threshold for environment-assisted crackingKIaplane-strain crack-arrest fracture toughnessKIEACstress intensity factor threshold for plane strainenvironment-assisted crackingKIcpla
22、ne-strain fracture toughnessKIvM, KIv, KIvjplane-strain (chevron-notch) fracture toughnessKmaxmaximum stress-intensity factorKminminimum stress-intensity factorKostress-intensity factor at crack initiationKRcrack-extension resistancen cycles enduredNffatigue lifeP forcePaforce amplitudeSymbol TermPm
23、mean forcePMprecrack forcePmaxmaximum forcePminminimum forceq fatigue notch sensitivityr effective unloading slope ratiorccritical slope ratioryplastic-zone adjustmentR force ratio (Pmin/Pmax)s sample standard deviations2sample varianceS specimen spanSaforce amplitudeSffatigue limitSmmean forceSNfat
24、igue strength at N cyclesccrack strengthNnominal (net-section) stressrresidual strengthssharp-notch strengthTStensile strengthx, y, znormal stresses (refer to )Yeffective yield strengthYSyield strengthT specimen temperaturetTtransition timettotal cycle periodxy,yz, zxshear stresses (refer to Fig. 1)
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