ASTM E1823-24
(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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Designation: E1823 − 24
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 E399 Test Method for Linear-Elastic Plane-Strain Fracture
Toughness of Metallic Materials
1.1 This terminology contains definitions, definitions of
E436 Test Method for Drop-Weight Tear Tests of Ferritic
terms specific to certain standards, symbols, and abbreviations
Steels
approved for use in standards on fatigue and fracture testing.
E467 Practice for Verification of Constant Amplitude Dy-
The definitions are preceded by two lists. The first is an
namic Forces in an Axial Fatigue Testing System
alphabetical listing of symbols used. (Greek symbols are listed
E468 Practice for Presentation of Constant Amplitude Fa-
in accordance with their spelling in English.) The second is an
tigue Test Results for Metallic Materials
alphabetical listing of relevant abbreviations.
E561 Test Method for K Curve Determination
R
1.2 This terminology includes Annex A1 on Units and
E602 Test Method for Sharp-Notch Tension Testing with
Annex A2 on Designation Codes for Specimen Configuration,
3
Cylindrical Specimens (Withdrawn 2010)
Applied Loading, and Crack or Notch Orientation.
E604 Test Method for Dynamic Tear Testing of Metallic
1.3 This international standard was developed in accor-
Materials
dance with internationally recognized principles on standard-
E606 Test Method for Strain-Controlled Fatigue Testing
ization established in the Decision on Principles for the
E647 Test Method for Measurement of Fatigue Crack
Development of International Standards, Guides and Recom-
Growth Rates
mendations issued by the World Trade Organization Technical
E739 Guide for Statistical Analysis of Linear or Linearized
Barriers to Trade (TBT) Committee.
Stress-Life (S-N) and Strain-Life (ε-N) Fatigue Data
3
(Withdrawn 2024)
2. Referenced Documents
E740 Practice for Fracture Testing with Surface-Crack Ten-
2
2.1 ASTM Standards:
sion Specimens
E6 Terminology Relating to Methods of Mechanical Testing
E813 Test Method for JIc, A Measure of Fracture Toughness
E23 Test Methods for Notched Bar Impact Testing of Me-
E992 Practice for Determination of Fracture Toughness of
tallic Materials
Steels Using Equivalent Energy Methodology
E28 Test Methods for Softening Point of Resins Derived
E1049 Practices for Cycle Counting in Fatigue Analysis
from Pine Chemicals and Hydrocarbons, by Ring-and-
E1152 Test Method for Determining-J-R-Curves
Ball Apparatus
E1221 Test Method for Determining Plane-Strain Crack-
E208 Test Method for Conducting Drop-Weight Test to
Arrest Fracture Toughness, K , of Ferritic Steels
Ia
Determine Nil-Ductility Transition Temperature of Fer-
E1290 Test Method for Crack-Tip Opening Displacement
ritic Steels
(CTOD) Fracture Toughness Measurement (Withdrawn
E338 Test Method of Sharp-Notch Tension Testing of High-
3
3 2013)
Strength Sheet Materials (Withdrawn 2010)
E1304 Test Method for Plane-Strain (Chevron-Notch) Frac-
ture Toughness of Metallic Materials
E1450 Test Method for Tension Testing of Structural Alloys
1
This terminology is under the jurisdiction of ASTM Committee E08 on Fatigue
in Liquid Helium
and Fracture and is the direct responsibility of Subcommittee E08.02 on Terminol-
E1457 Test Method for Measurement of Creep Crack
ogy.
Current edition approved Feb. 1, 2024. Published April 2024. Originally
Growth Times in Metals
approved in 1996. Last previous edition approved in 2023 as E1823 – 23. DOI:
E1681 Test Method for Determining Threshold Stress Inten-
10.1520/E1823-24.
2
sity Factor for Environment-Assisted Cracking of Metallic
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 Materials
Standards volume information, refer to the standard’s Document Summary page on
E1737 Test Method forJ-Integral Characterization of Frac-
the ASTM website.
3
3 ture Toughness (Withdrawn 1998)
The last approved version of this historical standard is referenced on
www.astm.org. E1820 Test Method for Measurement of Fracture Toughness
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
E1823 − 24
E1921 Test Method for Determination of Reference
Symbol Term
Temperature, T , for Ferritic Steels in the Transition
0
k theoretical stress concentration factor (sometimes
t
Range
abbreviated stress concentration factor)
E1942
...
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 − 23 E1823 − 24
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 (Withdrawn
3
2024)
E740 Practice for Fracture Testing with Surface-Crack Tension Specimens
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 Feb. 1, 2023Feb. 1, 2024. Published June 2023April 2024. Originally approved in 1996. Last previous edition approved in 20212023 as
E1823 – 21.E1823 – 23. DOI: 10.1520/E1823-23.10.1520/E1823-24.
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 − 24
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
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
...
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