ASTM E292-09
(Test Method)Standard Test Methods for Conducting Time-for-Rupture Notch Tension Tests of Materials
Standard Test Methods for Conducting Time-for-Rupture Notch Tension Tests of Materials
SIGNIFICANCE AND USE
Rupture life of notched specimens is an indication of the ability of a material to deform locally without cracking under multi-axial stress conditions, thereby redistributing stresses around a stress concentrator.
The notch test is used principally as a qualitative tool in comparing the suitability of materials for designs that will contain deliberate or accidental stress concentrators.
SCOPE
1.1 These test methods cover the determination of the time for rupture of notched specimens under conditions of constant load and temperature. These test methods also includes the essential requirements for testing equipment.
1.2 The values stated in inch-pound units are to be regarded as the standard. The units in parentheses are for information only.
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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: E292 – 09
Standard Test Methods for
Conducting Time-for-Rupture Notch Tension Tests of
1
Materials
This standard is issued under the fixed designation E292; 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 E663 Practice for Flame Atomic Absorption Analysis
E691 Practice for Conducting an Interlaboratory Study to
1.1 These test methods cover the determination of the time
Determine the Precision of a Test Method
for rupture of notched specimens under conditions of constant
E1012 PracticeforVerificationofTestFrameandSpecimen
load and temperature. These test methods also includes the
Alignment Under Tensile and Compressive Axial Force
essential requirements for testing equipment.
Application
1.2 The values stated in inch-pound units are to be regarded
2.2 Military Standard:
as the standard. The units in parentheses are for information
4
MIL-STD-120 Gage Inspection
only.
1.3 This standard does not purport to address all of the
3. Terminology
safety concerns, if any, associated with its use. It is the
3.1 Definitions—The definitions of terms relating to creep
responsibility of the user of this standard to establish appro-
testing, which appear in Section E of Terminology E6 shall
priate safety and health practices and determine the applica-
apply to the terms used in these test methods. For the purpose
bility of regulatory limitations prior to use.
of this practice only, some of the more general terms are used
2. Referenced Documents with the restricted meanings given below.
2
3.2 Definitions of Terms Specific to This Standard:
2.1 ASTM Standards:
3.2.1 axial strain—the average of the strain measured on
A453/A453M Specification for High-Temperature Bolting,
opposite sides and equally distant from the specimen axis.
with Expansion Coefficients Comparable to Austenitic
3.2.2 bending strain—the difference between the strain at
Stainless Steels
the surface of the specimen and the axial strain. In general, it
E4 Practices for Force Verification of Testing Machines
varies from point to point around and along reduced section of
E6 TerminologyRelatingtoMethodsofMechanicalTesting
the specimen.
E8/E8M Test Methods for Tension Testing of Metallic
3.2.3 gage length—the original distance between gage
Materials
marks made on the specimen for determining elongation after
E74 Practice of Calibration of Force-Measuring Instru-
fracture.
ments for Verifying the Force Indication of Testing Ma-
3.2.4 length of the reduced section—the distance between
chines
tangent points of the fillets that bound the reduced section.
E139 Test Methods for Conducting Creep, Creep-Rupture,
3.2.5 The adjusted length of the reduced section is greater
and Stress-Rupture Tests of Metallic Materials
than the length of the reduced section by an amount calculated
E177 Practice for Use of the Terms Precision and Bias in
to compensate for the strain in the fillets adjacent to the
ASTM Test Methods
reduced section.
E220 Test Method for Calibration of Thermocouples By
3.2.6 maximum bending strain—the largest value of bend-
Comparison Techniques
ing strain in the reduced section of the specimen. It can be
calculatedfrommeasurementsofstrainatthreecircumferential
positions at each of two different longitudinal positions.
3.2.7 reduced section of the specimen—the central portion
1
These test methods are under the jurisdiction of ASTM Committee E28 on
of the length having a cross section smaller than that of the
Mechanical Testing and is the direct responsibility of Subcommittee E28.04 on
Uniaxial Testing.
Current edition approved April 1, 2009. Published April 2009. Originally
3
approved in 1966. Last previous edition E292 – 01. DOI: 10.1520/E0292-09. Withdrawn. The last approved version of this historical standard is referenced
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or on www.astm.org.
4
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
Standards volume information, refer to the standard’s Document Summary page on Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://
the ASTM website. www.dodssp.daps.mil.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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E292 – 09
ends that are gripped. The reduced section is uniform within or less at the lowest anticipated applied force in the creep-
tolerances prescribed in Test Methods E8/E8M. rupture test. It is recognized that this measuremen
...
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:E292–01 Designation: E 292 – 09
Standard Test Methods for
Conducting Time-for-Rupture Notch Tension Tests of
1
Materials
This standard is issued under the fixed designation E 292; 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 These test methods cover the determination of the time for rupture of notched specimens under conditions of constant load
and temperature. These test methods also includes the essential requirements for testing equipment.
1.2 The values stated in inch-pound units are to be regarded as the standard. The units in parentheses are for information only.
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 and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
A 453/A 453M Specification for High-Temperature Bolting Materials, with Expansion Coefficients Comparable to Austenitic
Stainless Steels
E4 Practices for Force Verification of Testing Machines
E6 Terminology Relating to Methods of Mechanical Testing
E 8/E 8M Test Methods for Tension Testing of Metallic Materials
E74 Practice of Calibration of Force-Measuring Instruments for Verifying the LoadForce Indication of Testing Machines
3
E 139 Practice for Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic Materials Test Methods for
Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic Materials
E 177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E 220 Test Method for Calibration of Thermocouples byBy Comparison Techniques
3
E633Guide for Use ofThermocouples in Creep and Stress RuptureTesting to 1000°C (1800°F) inAir 663 Practice for Flame
3
Atomic Absorption Analysis
E 691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
3
E 1012 Practice for Verification of Specimen Alignment Under Tensile Loading Practice for Verification of Test Frame and
Specimen Alignment Under Tensile and Compressive Axial Force Application
2.2 Military Standard:
4
MIL-STD-120 Gage Inspection
3. Terminology
3.1 Definitions—The definitions of terms relating to creep testing, which appear in Section E of Terminology E 6 shall apply
to the terms used in these test methods. For the purpose of this practice only, some of the more general terms are used with the
restricted meanings given below.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 axial strain—the average of the strain measured on opposite sides and equally distant from the specimen axis.
3.2.2 bending strain—the difference between the strain at the surface of the specimen and the axial strain. In general, it varies
1
These test methods are under the jurisdiction of ASTM Committee E28 on Mechanical Testing and is the direct responsibility of Subcommittee E28.04 on Uniaxial
Testing.
´1
Current edition approved Oct. 10, 2001. Published December 2001. Originally published as E292 – 66 T. Last previous edition E292–83 (Reapproved 1996) .
Current edition approved April 1, 2009. Published April 2009. Originally approved in 1966. Last previous edition E 292 – 01.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
, Vol 01.01.volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Annual Book of ASTM Standards, Vol 03.01.
3
Withdrawn. The last approved version of this historical standard is referenced on www.astm.org.
4
Annual Book of ASTM Standards, Vol 14.03.
4
Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://www.dodssp.daps.mil.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
E292–09
from point to point around and along reduced section of the specimen.
3.2.3 gage length—the original distance between gage marks made on the specimen for determining elongation after fracture.
3.2.4 length of the reduced section—the distance between tangent points
...
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