ASTM E1823-09

Standard Terminology Relating to Fatigue and Fracture Testing

SCOPE
1.1 This terminology contains definitions, definitions of terms specific to certain standards, symbols, and abbreviations approved for use in standards on fatigue and fracture testing. The definitions are preceded by two lists. The first is an alphabetical listing of symbols used. (Greek symbols are listed in accordance with their spelling in English.) The second is an alphabetical listing of relevant abbreviations.  
1.2 This terminology includes Annex A1 on Units and Annex A2 on Designation Codes for Specimen Configuration, Applied Loading, and Crack or Notch Orientation.

General Information

• Status: Historical
• Publication Date: 31-Dec-2008
• ICS: 01.040.19 - Testing (Vocabularies)
• ICS: 19.060 - Mechanical testing
• Technical Committee: E08 - Fatigue and Fracture
• Drafting Committee: E08.02 - Terminology

Relations

• Replaces: ASTM E1823-07a - Standard Terminology Relating to Fatigue and Fracture Testing
• Effective Date: 01-Jan-2009
• Replaced By: ASTM E1823-09a - Standard Terminology Relating to Fatigue and Fracture Testing
• Effective Date: 15-Feb-2009
• Referred By: ASTM E606/E606M-21 - Standard Test Method for Strain-Controlled Fatigue Testing
• Effective Date: 01-Jan-2009
• Referred By: ASTM D3479/D3479M-19(2023) - Standard Test Method for Tension-Tension Fatigue of Polymer Matrix Composite Materials
• Effective Date: 01-Jan-2009
• Referred By: ASTM F384-17 - Standard Specifications and Test Methods for Metallic Angled Orthopedic Fracture Fixation Devices
• Effective Date: 01-Jan-2009
• Referred By: ASTM E399-23 - Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness of Metallic Materials
• Effective Date: 01-Jan-2009
• Referred By: ASTM E436-03(2021) - Standard Test Method for Drop-Weight Tear Tests of Ferritic Steels
• Effective Date: 01-Jan-2009
• Referred By: ASTM F3122-14(2022) - Standard Guide for Evaluating Mechanical Properties of Metal Materials Made via Additive Manufacturing Processes
• Effective Date: 01-Jan-2009
• Referred By: ASTM E1304-97(2020) - Standard Test Method for Plane-Strain (Chevron-Notch) Fracture Toughness of Metallic Materials
• Effective Date: 01-Jan-2009
• Referred By: ASTM F2193-20 - Standard Specifications and Test Methods for Components Used in the Surgical Fixation of the Spinal Skeletal System
• Effective Date: 01-Jan-2009
• Referred By: ASTM F3036-21 - Standard Guide for Testing Absorbable Stents
• Effective Date: 01-Jan-2009
• Referred By: ASTM C1368-18 - Standard Test Method for Determination of Slow Crack Growth Parameters of Advanced Ceramics by Constant Stress Rate Strength Testing at Ambient Temperature
• Effective Date: 01-Jan-2009
• Referred By: ASTM F2077-22 - Standard Test Methods for Intervertebral Body Fusion Devices
• Effective Date: 01-Jan-2009
• Referred By: ASTM E2818-11(2019) - Standard Practice for Determination of Quasistatic Fracture Toughness of Welds
• Effective Date: 01-Jan-2009
• Referred By: ASTM E561-23 - Standard Test Method for <emph type="bdit">K<inf>R</inf></emph> Curve Determination
• Effective Date: 01-Jan-2009

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: E 1823 – 09
Standard Terminology
1
Relating to Fatigue and Fracture Testing
This standard is issued under the fixed designation E1823; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope E602 Test Method for Sharp-Notch Tension Testing with
Cylindrical Specimens
1.1 This terminology contains definitions, definitions of
E604 Test Method for Dynamic Tear Testing of Metallic
terms specific to certain standards, symbols, and abbreviations
Materials
approved for use in standards on fatigue and fracture testing.
E606 Practice for Strain-Controlled Fatigue Testing
The definitions are preceded by two lists. The first is an
E647 Test Method for Measurement of Fatigue Crack
alphabetical listing of symbols used. (Greek symbols are listed
Growth Rates
in accordance with their spelling in English.)The second is an
E739 Practice for Statistical Analysis of Linear or Linear-
alphabetical listing of relevant abbreviations.
ized Stress-Life ( S-N) and Strain-Life (e-N) Fatigue Data
1.2 This terminology includes Annex A1 on Units and
E740 Practice for Fracture Testing with Surface-Crack
AnnexA2 on Designation Codes for Specimen Configuration,
Tension Specimens
Applied Loading, and Crack or Notch Orientation.
E813 Test Method for JIc, A Measure of Fracture Tough-
2. Referenced Documents
ness
2
E992 Practice for Determination of Fracture Toughness of
2.1 ASTM Standards:
Steels Using Equivalent Energy Methodology
E6 Terminology Relating to Methods of Mechanical Test-
E1049 Practices for Cycle Counting in Fatigue Analysis
ing
E1152 Test Method for Determining-J-R-Curves
E23 Test Methods for Notched Bar Impact Testing of
E1221 Test Method for Determining Plane-Strain Crack-
Metallic Materials
Arrest Fracture Toughness, K , of Ferritic Steels
E28 Test Methods for Softening Point of Resins Derived Ia
E1290 Test Method for Crack-Tip Opening Displacement
from Naval Stores by Ring-and-Ball Apparatus
(CTOD) Fracture Toughness Measurement
E208 Test Method for Conducting Drop-Weight Test to
E1291 Test Method for Conducting a Saturated Vapor
Determine Nil-DuctilityTransitionTemperature of Ferritic
Inhalation Study with Rats
Steels
E1304 Test Method for Plane-Strain (Chevron-Notch)
E338 Test Method of Sharp-Notch Tension Testing of
Fracture Toughness of Metallic Materials
High-Strength Sheet Materials
E1457 Test Method for Measurement of Creep Crack
E399 Test Method for Linear-Elastic Plane-Strain Fracture
Growth Times in Metals
Toughness K of Metallic Materials
Ic
E1681 Test Method for Determining Threshold Stress In-
E436 Test Method for Drop-Weight Tear Tests of Ferritic
tensity Factor for Environment-Assisted Cracking of Me-
Steels
tallic Materials
E467 Practice for Verification of Constant Amplitude Dy-
E1737 TestMethodforJ-IntegralCharacterizationofFrac-
namic Forces in an Axial Fatigue Testing System
3
ture Toughness (Discontinued 1998)
E468 Practice for Presentation of Constant Amplitude Fa-
E1820 Test Method for Measurement of Fracture Tough-
tigue Test Results for Metallic Materials
ness
E561 Test Method for K-R Curve Determination
E1921 Test Method for Determination of Reference Tem-
perature, T , for Ferritic Steels in the Transition Range
o
E2472 Test Method for Determination of Resistance to
1
ThisterminologyisunderthejurisdictionofASTMCommitteeE08onFatigue
Stable Crack Extension under Low-Constraint Conditions
and Fracture and is the direct responsibility of Subcommittee E08.02 on Standards
G15 Terminology Relating to Corrosion and Corrosion
and Terminology.
Testing
Current edition approved Jan. 1, 2009. Published March 2009. Originally
approved in 1996. Last previous edition approved in 2007 as E1823–07a.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Withdrawn. The last approved version of this historical standard is referenced
the ASTM website. on www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
E1823–09
3. Terminology
Symbol Term
3.1 AlphabeticalListingofPrincipalSymbolsUsedinThis
S fatigue limit
f
Terminology:
S mean force
m
S fatigue strength at N cycles
N
s crack strength
c
Symbol Term
s nominal (net-section) stress
N
a crack depth, crack length, crack size, estimated crack
s residual strength
r
size
s sharp-notch strength
s
a effective crack size
e
s tensile strength
TS
a notch len
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:E 1823–07a Designation: E 1823 – 09
Standard Terminology
1
Relating to Fatigue and Fracture Testing
This standard is issued under the fixed designation E1823; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This terminology contains definitions, definitions of terms specific to certain standards, symbols, and abbreviations
approved for use in standards on fatigue and fracture testing.The definitions are preceded by two lists.The first is an alphabetical
listing of symbols used. (Greek symbols are listed in accordance with their spelling in English.) The second is an alphabetical
listing of relevant abbreviations.
1.2 This terminology includesAnnexA1 on Units andAnnexA2 on Designation Codes for Specimen Configuration,Applied
Loading, and Crack or Notch Orientation.
2. Referenced Documents
2
2.1 ASTM Standards:
E6 Terminology Relating to Methods of Mechanical Testing
E23 Test Methods for Notched Bar Impact Testing of Metallic Materials
E28 Test Methods for Softening Point of Resins Derived from Naval Stores by Ring-and-Ball Apparatus
E208 Test Method for Conducting Drop-Weight Test to Determine Nil-Ductility Transition Temperature of Ferritic Steels
E338 Test Method of Sharp-Notch Tension Testing of High-Strength Sheet Materials
E399 Test Method for Linear-Elastic Plane-Strain Fracture Toughness K of Metallic Materials
Ic
E436 Test Method for Drop-Weight Tear Tests of Ferritic Steels
E467 Practice for Verification of Constant Amplitude Dynamic Forces in an Axial Fatigue Testing System
E468 Practice for Presentation of Constant Amplitude Fatigue Test Results for Metallic Materials
E561 Test Method for K-R Curve Determination
E602 Test Method for Sharp-Notch Tension Testing with Cylindrical Specimens
E604 Test Method for Dynamic Tear Testing of Metallic Materials
E606 Practice for Strain-Controlled Fatigue Testing
E647 Test Method for Measurement of Fatigue Crack Growth Rates
E739 Practice for Statistical Analysis of Linear or Linearized Stress-Life ( S-N) and Strain-Life (-N) Fatigue Data
E740 Practice for Fracture Testing with Surface-Crack Tension Specimens
E813 Test Method for JIc, A Measure of Fracture Toughness
E992 Practice for Determination of Fracture Toughness of Steels Using Equivalent Energy Methodology
E1049 Practices for Cycle Counting in Fatigue Analysis
E1152 Test Method for Determining-J-R-Curves
E1221 Test Method for Determining Plane-Strain Crack-Arrest Fracture Toughness, K , of Ferritic Steels
Ia
E1290 Test Method for Crack-Tip Opening Displacement (CTOD) Fracture Toughness Measurement
E1291 Test Method for Test Method for Conducting a Saturated Vapor Inhalation Study with Rats
E1304 Test Method for Plane-Strain (Chevron-Notch) Fracture Toughness of Metallic Materials
E1457 Test Method for Measurement of Creep Crack Growth Times in Metals
E1681 TestMethodforDeterminingThresholdStressIntensityFactorforEnvironment-AssistedCrackingofMetallicMaterials
E1737 Test Method for J-Integral Characterization of Fracture Toughness (Discontinued 1998)
E1820 Test Method for Measurement of Fracture Toughness
E1921 Test Method for Determination of Reference Temperature, T , for Ferritic Steels in the Transition Range
o
E2472 Test Method for Determination of Resistance to Stable Crack Extension under Low-Constraint Conditions
1
This terminology is under the jurisdiction ofASTM Committee E08 on Fatigue and Fracture and is the direct responsibility of Subcommittee E08.02 on Standards and
Terminology.
Current edition approved Aug.Jan. 1, 2007.2009. Published August 2007.March 2009. Originally approved in 1996. Last previous edition approved in 2007 as
E1823–07a.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,[e-mail]ards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
E1823–09
G15 Terminology Relating to Corrosion and Corrosion Testing
3. Terminology
3.1 Alphabetical Listing of Principal Symbols Used in This Terminology:
Symbol Term
a crack depth, crack length, crack size, estimated crack
size
a effective crack size
e
a notch l
...