ASTM E1823-23
(Terminology)Standard Terminology Relating to Fatigue and Fracture Testing
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.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: E1823 − 23
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. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
3
1. Scope Strength Sheet Materials (Withdrawn 2010)
E399 Test Method for Linear-Elastic Plane-Strain Fracture
1.1 This terminology contains definitions, definitions of
Toughness of Metallic Materials
terms specific to certain standards, symbols, and abbreviations
E436 Test Method for Drop-Weight Tear Tests of Ferritic
approved for use in standards on fatigue and fracture testing.
Steels
The definitions are preceded by two lists. The first is an
E467 Practice for Verification of Constant Amplitude Dy-
alphabetical listing of symbols used. (Greek symbols are listed
namic Forces in an Axial Fatigue Testing System
in accordance with their spelling in English.) The second is an
E468 Practice for Presentation of Constant Amplitude Fa-
alphabetical listing of relevant abbreviations.
tigue Test Results for Metallic Materials
1.2 This terminology includes Annex A1 on Units and
E561 Test Method for K Curve Determination
R
Annex A2 on Designation Codes for Specimen Configuration,
E602 Test Method for Sharp-Notch Tension Testing with
3
Applied Loading, and Crack or Notch Orientation.
Cylindrical Specimens (Withdrawn 2010)
1.3 This international standard was developed in accor-
E604 Test Method for Dynamic Tear Testing of Metallic
dance with internationally recognized principles on standard- Materials
ization established in the Decision on Principles for the
E606 Test Method for Strain-Controlled Fatigue Testing
Development of International Standards, Guides and Recom- E647 Test Method for Measurement of Fatigue Crack
mendations issued by the World Trade Organization Technical
Growth Rates
Barriers to Trade (TBT) Committee. E739 Guide for Statistical Analysis of Linear or Linearized
Stress-Life (S-N) and Strain-Life (ε-N) Fatigue Data
2. Referenced Documents
E740 Practice for Fracture Testing with Surface-Crack Ten-
2
sion Specimens
2.1 ASTM Standards:
E813 Test Method for JIc, A Measure of Fracture Toughness
E6 Terminology Relating to Methods of Mechanical Testing
E992 Practice for Determination of Fracture Toughness of
E23 Test Methods for Notched Bar Impact Testing of Me-
Steels Using Equivalent Energy Methodology
tallic Materials
E1049 Practices for Cycle Counting in Fatigue Analysis
E28 Test Methods for Softening Point of Resins Derived
E1152 Test Method for Determining-J-R-Curves
from Pine Chemicals and Hydrocarbons, by Ring-and-
E1221 Test Method for Determining Plane-Strain Crack-
Ball Apparatus
Arrest Fracture Toughness, K , of Ferritic Steels
E208 Test Method for Conducting Drop-Weight Test to Ia
E1290 Test Method for Crack-Tip Opening Displacement
Determine Nil-Ductility Transition Temperature of Fer-
(CTOD) Fracture Toughness Measurement (Withdrawn
ritic Steels
3
2013)
E338 Test Method of Sharp-Notch Tension Testing of High-
E1304 Test Method for Plane-Strain (Chevron-Notch) Frac-
ture Toughness of Metallic Materials
E1450 Test Method for Tension Testing of Structural Alloys
in Liquid Helium
1
This terminology is under the jurisdiction of ASTM Committee E08 on Fatigue
E1457 Test Method for Measurement of Creep Crack
and Fracture and is the direct responsibility of Subcommittee E08.02 on Terminol-
Growth Times in Metals
ogy.
E1681 Test Method for Determining Threshold Stress Inten-
Current edition approved Feb. 1, 2023. Published June 2023. Originally
approved in 1996. Last previous edition approved in 2021 as E1823 – 21. DOI:
sity Factor for Environment-Assisted Cracking of Metallic
10.1520/E1823-23.
Materials
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
E1823 − 23
E1737 Test Method forJ-Integral Characterization of Frac-
3
Symbol Term
ture Toughness (Withdrawn 1998)
J J-integral
E1820 Test Method for Measurement of Fracture Toughness
J plane-strain fracture toughness
Ic
E1921 Test Method for Determinatio
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM 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: E1823 − 21 E1823 − 23
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. A number 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 includes Annex A1 on Units and Annex A2 on Designation Codes for Specimen Configuration, Applied
Loading, and Crack or Notch Orientation.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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 Pine Chemicals and Hydrocarbons, by Ring-and-Ball Apparatus
E208 Test Method for Conducting Drop-Weight Test to Determine Nil-Ductility Transition Temperature of Ferritic Steels
3
E338 Test Method of Sharp-Notch Tension Testing of High-Strength Sheet Materials (Withdrawn 2010)
E399 Test Method for Linear-Elastic Plane-Strain Fracture Toughness of Metallic Materials
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 Curve Determination
R
3
E602 Test Method for Sharp-Notch Tension Testing with Cylindrical Specimens (Withdrawn 2010)
E604 Test Method for Dynamic Tear Testing of Metallic Materials
E606 Test Method for Strain-Controlled Fatigue Testing
E647 Test Method for Measurement of Fatigue Crack Growth Rates
E739 Guide for Statistical Analysis of Linear or Linearized Stress-Life (S-N) and Strain-Life (ε-N) Fatigue Data
E740 Practice for Fracture Testing with Surface-Crack Tension Specimens
E813 Test Method for JIc, A Measure of Fracture Toughness
1
This terminology is under the jurisdiction of ASTM Committee E08 on Fatigue and Fracture and is the direct responsibility of Subcommittee E08.02 on Terminology.
Current edition approved Oct. 1, 2021Feb. 1, 2023. Published October 2021June 2023. Originally approved in 1996. Last previous edition approved in 20202021 as
E1823 – 20b.E1823 – 21. DOI: 10.1520/E1823-21.10.1520/E1823-23.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
The last approved version of this historical standard is referenced 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 − 23
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
3
E1290 Test Method for Crack-Tip Opening Displacement (CTOD) Fracture Toughness Measurement (Withdrawn 2013)
E1304 Test Method for Plane-Strain (Chevron-Notch) Fracture Toughness of Metallic Materials
E1450 Test Method for Tension Testing of Structural Alloys in Liquid Helium
E1457 Test Method for Measurement of Creep Crack Growth Times in Metals
E1681 Test Method for Determining Threshold Stress Intensity Factor for Environment-Assisted Cracking of Metallic Materials
3
E1737 Test Method forJ-Integral Characterization of Fracture Toughness (Withd
...
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: E1823 − 23
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. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
3
1. Scope Strength Sheet Materials (Withdrawn 2010)
E399 Test Method for Linear-Elastic Plane-Strain Fracture
1.1 This terminology contains definitions, definitions of
Toughness of Metallic Materials
terms specific to certain standards, symbols, and abbreviations
E436 Test Method for Drop-Weight Tear Tests of Ferritic
approved for use in standards on fatigue and fracture testing.
Steels
The definitions are preceded by two lists. The first is an
E467 Practice for Verification of Constant Amplitude Dy-
alphabetical listing of symbols used. (Greek symbols are listed
namic Forces in an Axial Fatigue Testing System
in accordance with their spelling in English.) The second is an
E468 Practice for Presentation of Constant Amplitude Fa-
alphabetical listing of relevant abbreviations.
tigue Test Results for Metallic Materials
1.2 This terminology includes Annex A1 on Units and
E561 Test Method for K Curve Determination
R
Annex A2 on Designation Codes for Specimen Configuration,
E602 Test Method for Sharp-Notch Tension Testing with
3
Applied Loading, and Crack or Notch Orientation.
Cylindrical Specimens (Withdrawn 2010)
1.3 This international standard was developed in accor- E604 Test Method for Dynamic Tear Testing of Metallic
dance with internationally recognized principles on standard-
Materials
ization established in the Decision on Principles for the E606 Test Method for Strain-Controlled Fatigue Testing
Development of International Standards, Guides and Recom-
E647 Test Method for Measurement of Fatigue Crack
mendations issued by the World Trade Organization Technical Growth Rates
Barriers to Trade (TBT) Committee.
E739 Guide for Statistical Analysis of Linear or Linearized
Stress-Life (S-N) and Strain-Life (ε-N) Fatigue Data
2. Referenced Documents
E740 Practice for Fracture Testing with Surface-Crack Ten-
2
sion Specimens
2.1 ASTM Standards:
E813 Test Method for JIc, A Measure of Fracture Toughness
E6 Terminology Relating to Methods of Mechanical Testing
E992 Practice for Determination of Fracture Toughness of
E23 Test Methods for Notched Bar Impact Testing of Me-
Steels Using Equivalent Energy Methodology
tallic Materials
E1049 Practices for Cycle Counting in Fatigue Analysis
E28 Test Methods for Softening Point of Resins Derived
E1152 Test Method for Determining-J-R-Curves
from Pine Chemicals and Hydrocarbons, by Ring-and-
E1221 Test Method for Determining Plane-Strain Crack-
Ball Apparatus
Arrest Fracture Toughness, K , of Ferritic Steels
E208 Test Method for Conducting Drop-Weight Test to Ia
E1290 Test Method for Crack-Tip Opening Displacement
Determine Nil-Ductility Transition Temperature of Fer-
(CTOD) Fracture Toughness Measurement (Withdrawn
ritic Steels
3
2013)
E338 Test Method of Sharp-Notch Tension Testing of High-
E1304 Test Method for Plane-Strain (Chevron-Notch) Frac-
ture Toughness of Metallic Materials
E1450 Test Method for Tension Testing of Structural Alloys
in Liquid Helium
1
This terminology is under the jurisdiction of ASTM Committee E08 on Fatigue
E1457 Test Method for Measurement of Creep Crack
and Fracture and is the direct responsibility of Subcommittee E08.02 on Terminol-
Growth Times in Metals
ogy.
E1681 Test Method for Determining Threshold Stress Inten-
Current edition approved Feb. 1, 2023. Published June 2023. Originally
approved in 1996. Last previous edition approved in 2021 as E1823 – 21. DOI:
sity Factor for Environment-Assisted Cracking of Metallic
10.1520/E1823-23.
Materials
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
E1823 − 23
E1737 Test Method forJ-Integral Characterization of Frac-
3
Symbol Term
ture Toughness (Withdrawn 1998)
J J-integral
E1820 Test Method for Measurement of Fracture Toughness
J plane-strain fracture toughness
Ic
E1921 Test Method for Determination of Reference
J crack-extension resistance
R
k fatigue notch factor
f
Temperature, T , for Ferritic Steels in the Transition
0
k theoretical stress
...
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