ASTM E6-23a
(Terminology)Standard Terminology Relating to Methods of Mechanical Testing
Standard Terminology Relating to Methods of Mechanical Testing
SCOPE
1.1 This terminology covers the principal terms relating to methods of mechanical testing of solids. The general definitions are restricted and interpreted, when necessary, to make them particularly applicable and practicable for use in standards requiring or relating to mechanical tests. These definitions are published to encourage uniformity of terminology in product specifications.
1.2 Terms relating to fatigue and fracture testing are defined in Terminology E1823.
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: E6 − 23a
Standard Terminology Relating to
1
Methods of Mechanical Testing
This standard is issued under the fixed designation E6; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
4
1. Scope 2.2 BIPM Standard:
JCGM 200 : International vocabulary of metrology — Basic
1.1 This terminology covers the principal terms relating to
and general concepts and associated terms (VIM).
methods of mechanical testing of solids. The general defini-
tions are restricted and interpreted, when necessary, to make
3. Index of Cross-References and Associated Definitions
them particularly applicable and practicable for use in stan-
3.1 The terms listed below are associated with terminology
dards requiring or relating to mechanical tests. These defini-
that is fundamental or commonly used. The definition for the
tions are published to encourage uniformity of terminology in
term of interest is related to or is given below the definition for
product specifications.
the fundamental term cited.
1.2 Terms relating to fatigue and fracture testing are defined
Term
in Terminology E1823.
angular strain indexed under strain
axial strain indexed under strain
1.3 This international standard was developed in accor-
bending strain indexed under strain
dance with internationally recognized principles on standard-
chord modulus see modulus of elasticity
ization established in the Decision on Principles for the direct verification indexed under verification
compressive stress indexed under stress
Development of International Standards, Guides and Recom-
elastic constants see modulus of elasticity and Poisson’s
mendations issued by the World Trade Organization Technical
ratio
Barriers to Trade (TBT) Committee. elastic modulus use modulus of elasticity
elastic true strain indexed under strain
engineering strain indexed under strain
2. Referenced Documents
engineering stress indexed under stress
2
fracture stress indexed under stress
2.1 ASTM Standards:
indirect verification indexed under verification
E8/E8M Test Methods for Tension Testing of Metallic Ma-
initial tangent modulus see modulus of elasticity
terials
instantaneous strain see initial strain
linear (tensile or compressive) strain indexed under strain
E74 Practices for Calibration and Verification for Force-
load use force
Measuring Instruments
malleability see ductility
E796 Test Method for Ductility Testing of Metallic Foil
modulus of rigidity see shear modulus
3
movable Brinell hardness testing indexed under Brinell hardness testing
(Withdrawn 2009)
machine machine
E1823 Terminology Relating to Fatigue and Fracture Testing
movable Rockwell hardness testing indexed under Rockwell hardness machine
machine
nominal stress indexed under stress
1
This terminology is under the jurisdiction of ASTM Committee E28 on normal stress indexed under stress
Mechanical Testing and is the direct responsibility of Subcommittee E28.91 on permanent set see set
physical properties see mechanical properties
Terminology except where designated otherwise. A subcommittee designation in
parentheses following a definition indicates the subcommittee with responsibility for plastic true strain indexed under strain
portable Brinell hardness testing indexed under Brinell hardness testing
that definition.
machine machine
Current edition approved Feb. 1, 2023. Published March 2023. Originally
portable Rockwell hardness testing indexed under Rockwell hardness machine
approved in 1923. Last previous edition approved in 2023 as E6 – 23. DOI:
machine
10.1520/E0006-23A.
principal stress (normal) indexed under stress
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
4
the ASTM website. Available from BIPM - Pavillon de Breteuil F-92312 Sèvres Cedex FRANCE.
3
The last approved version of this historical standard is referenced on this document is available free-of-charge at https://www.bipm.org/en/publications/
www.astm.org. guides/vim.html
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
E6 − 23a
bend test, n—a test for ductility performed by bending or
residual strain indexed under
...
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: E6 − 23 E6 − 23a
Standard Terminology Relating to
1
Methods of Mechanical Testing
This standard is issued under the fixed designation E6; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope
1.1 This terminology covers the principal terms relating to methods of mechanical testing of solids. The general definitions are
restricted and interpreted, when necessary, to make them particularly applicable and practicable for use in standards requiring or
relating to mechanical tests. These definitions are published to encourage uniformity of terminology in product specifications.
1.2 Terms relating to fatigue and fracture testing are defined in Terminology E1823.
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:
E8/E8M Test Methods for Tension Testing of Metallic Materials
E74 Practices for Calibration and Verification for Force-Measuring Instruments
3
E796 Test Method for Ductility Testing of Metallic Foil (Withdrawn 2009)
E1823 Terminology Relating to Fatigue and Fracture Testing
4
2.2 ISO Standard:
ISO/IEC Guide 99:2007 International Vocabulary of metrology—Basic and general concepts and terms (VIM)
2.3 NIST Technical Notes:
5
NIST Technical Note 1297 Guidelines for Evaluating and Expressing the Uncertainty of NIST Measurement Results
4
2.2 BIPM Standard:
JCGM 200 : International vocabulary of metrology — Basic and general concepts and associated terms (VIM).
3. Index of Cross-References and Associated Definitions
3.1 The terms listed below are associated with terminology that is fundamental or commonly used. The definition for the term of
interest is related to or is given below the definition for the fundamental term cited.
1
This terminology is under the jurisdiction of ASTM Committee E28 on Mechanical Testing and is the direct responsibility of Subcommittee E28.91 on Terminology
except where designated otherwise. A subcommittee designation in parentheses following a definition indicates the subcommittee with responsibility for that definition.
ɛ4
Current edition approved Jan. 15, 2023Feb. 1, 2023. Published March 2023. Originally approved in 1923. Last previous edition approved in 20152023 as E6 – 15E6 – 23. .
DOI: 10.1520/E0006-23.10.1520/E0006-23A.
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.
6
Available from National Institute of Standards and Technology (NIST), 100 Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http://www.nist.gov.
4
Available from BIPM - Pavillon de Breteuil F-92312 Sèvres Cedex FRANCE. this document is available free-of-charge at https://www.bipm.org/en/publications/guides/
vim.html
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
E6 − 23a
Term
angular strain see strain
angular strain indexed under strain
axial strain see strain
axial strain indexed under strain
bending strain see strain
bending strain indexed under strain
chord modulus see modulus of elasticity
direct verification see verification
direct verification indexed under verification
compressive stress see stress
compressive stress indexed under stress
elastic constants see modulus of elasticity and Poisson’s
ratio
elastic modulus see modulus of elasticity
elastic modulus use modulus of elasticity
elastic true strain indexed under strain
engineering strain see strain
engineering strain indexed under strain
engineering stress see stress
engineering stress indexed under stress
fracture stress see stress
fracture stress indexed under stress
indirect verification see verification
indirect verification indexed under verification
initial t
...
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