ASTM E468/E468M-23
(Practice)Standard Practice for Presentation of Constant Amplitude Fatigue Test Results for Metallic Materials
Standard Practice for Presentation of Constant Amplitude Fatigue Test Results for Metallic Materials
SIGNIFICANCE AND USE
4.1 Fatigue test results may be significantly influenced by the properties and history of the parent material, the operations performed during the preparation of the fatigue specimens, and the testing machine and test procedures used during the generation of the data. The presentation of fatigue test results should include citation of basic information on the material, specimens, and testing to increase the utility of the results and to reduce to a minimum the possibility of misinterpretation or improper application of those results.
SCOPE
1.1 This practice covers the desirable and minimum information to be communicated between the originator and the user of data derived from constant-force amplitude axial, bending, or torsion fatigue tests of metallic materials tested in air and at room temperature.
Note 1: Practice E466, although not directly referenced in the text, is considered important enough to be listed in this standard.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 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: E468/E468M − 23
Standard Practice for
Presentation of Constant Amplitude Fatigue Test Results for
1
Metallic Materials
This standard is issued under the fixed designation E468/E468M; 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 E466 Practice for Conducting Force Controlled Constant
Amplitude Axial Fatigue Tests of Metallic Materials
1.1 This practice covers the desirable and minimum infor-
E467 Practice for Verification of Constant Amplitude Dy-
mation to be communicated between the originator and the user
namic Forces in an Axial Fatigue Testing System
of data derived from constant-force amplitude axial, bending,
E1823 Terminology Relating to Fatigue and Fracture Testing
or torsion fatigue tests of metallic materials tested in air and at
2.2 Special Technical Publications:
room temperature.
STP 91–A A Guide for Fatigue Testing and the Statistical
3
NOTE 1—Practice E466, although not directly referenced in the text, is
Analysis of Fatigue Data
considered important enough to be listed in this standard.
4
STP 588 Manual on Statistical Planning and Analysis
1.2 The values stated in either SI units or inch-pound units
3. Terminology Definitions and Nomenclature
are to be regarded separately as standard. The values stated in
each system are not necessarily exact equivalents; therefore, to
3.1 The terms and abbreviations used in this practice are
ensure conformance with the standard, each system shall be
defined in Terminology E6 and in Terminology E1823.
used independently of the other, and values from the two
4. Significance and Use
systems shall not be combined.
4.1 Fatigue test results may be significantly influenced by
1.3 This standard does not purport to address all of the
the properties and history of the parent material, the operations
safety concerns, if any, associated with its use. It is the
performed during the preparation of the fatigue specimens, and
responsibility of the user of this standard to establish appro-
the testing machine and test procedures used during the
priate safety, health, and environmental practices and deter-
generation of the data. The presentation of fatigue test results
mine the applicability of regulatory limitations prior to use.
should include citation of basic information on the material,
1.4 This international standard was developed in accor-
dance with internationally recognized principles on standard- specimens, and testing to increase the utility of the results and
to reduce to a minimum the possibility of misinterpretation or
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom- improper application of those results.
mendations issued by the World Trade Organization Technical
5. Listing of Basic Information About Fatigue Test
Barriers to Trade (TBT) Committee.
Specimen
5.1 Specification and Properties of Material:
2. Referenced Documents
5.1.1 Material Prior to Fatigue Test Specimen
2
2.1 ASTM Standards:
Preparation—The minimum information to be presented
E6 Terminology Relating to Methods of Mechanical Testing
should include the designation or specification (for example,
E8/E8M Test Methods for Tension Testing of Metallic Ma-
A441, SAE 1070, and so forth) or proprietary grade; form of
terials
product (for example, plate, bar, casting, and so forth); heat
number; melting practice; last mechanical working and last
heat treatment that produced the material in the “as-received”
1
This practice is under the jurisdiction of ASTM Committee E08 on Fatigue and
condition (for example, cold-worked and aged, annealed and
Fracture and is the direct responsibility of E08.05 E08.05 on Cyclic Deformation
rolled, and so forth); chemical composition; and surface
and Fatigue Crack Formation.
condition (for example, rolled and descaled, ground, and so
Current edition approved May 15, 2023. Published June 2023. Originally
approved in 1972. Last previous edition approved in 2018 as E468 —18. DOI:
forth).
10.1520/E0468_E0468M-23.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM A Guide for Fatigue Testing and the Statistical Analysis of Fatigue Data,
Standards volume information, refer to the standard’s Document Summary page on ASTM International, 1963.
4
the ASTM website. Manual on Statistical Planning and Analysis, ASTM International, 1975.,
Copy
...
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: E468 − 18 E468/E468M − 23
Standard Practice for
Presentation of Constant Amplitude Fatigue Test Results for
1
Metallic Materials
This standard is issued under the fixed designation E468;E468/E468M; 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 practice covers the desirable and minimum information to be communicated between the originator and the user of data
derived from constant-force amplitude axial, bending, or torsion fatigue tests of metallic materials tested in air and at room
temperature.
NOTE 1—Practice E466, although not directly referenced in the text, is considered important enough to be listed in this standard.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each
system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used
independently of the other, and values from the two systems shall not be combined.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of
regulatory limitations prior to use.
1.4 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
E8/E8M Test Methods for Tension Testing of Metallic Materials
E466 Practice for Conducting Force Controlled Constant Amplitude Axial Fatigue Tests of Metallic Materials
E467 Practice for Verification of Constant Amplitude Dynamic Forces in an Axial Fatigue Testing System
E1823 Terminology Relating to Fatigue and Fracture Testing
2.2 Special Technical Publications:
3
STP 91–A A Guide for Fatigue Testing and the Statistical Analysis of Fatigue Data
4
STP 588 Manual on Statistical Planning and Analysis
1
This practice is under the jurisdiction of ASTM Committee E08 on Fatigue and Fracture and is the direct responsibility of E08.05 E08.05 on Cyclic Deformation and
Fatigue Crack Formation.
Current edition approved May 1, 2018May 15, 2023. Published July 2018June 2023. Originally approved in 1972. Last previous edition approved in 20112018 as
E468 —11. DOI: 10.1520/E0468-18. —18. DOI: 10.1520/E0468_E0468M-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
A Guide for Fatigue Testing and the Statistical Analysis of Fatigue Data, ASTM International, 1963.
4
Manual on Statistical Planning and Analysis, ASTM International, 1975.,
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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E468/E468M − 23
3. Terminology Definitions and Nomenclature
3.1 The terms and abbreviations used in this practice are defined in Terminology E6 and in Terminology E1823.
4. Significance and Use
4.1 Fatigue test results may be significantly influenced by the properties and history of the parent material, the operations
performed during the preparation of the fatigue specimens, and the testing machine and test procedures used during the generation
of the data. The presentation of fatigue test results should include citation of basic information on the material, specimens, and
testing to increase the utility of the results and to reduce to a minimum the possibility of misinterpretation or improper application
of those results.
5. Listing of Basic Information About Fatigue Test Specimen
5.1 Specification and Properties of Material:
5.1.1 Material Prior to Fatigue Test Specimen Preparation—The minimum information to be presented should include the
designation or specification (for example, A441, SAE 1070, and so forth) or proprietary grade; form of product
...
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