ASTM E6-09be1

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
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Designation:E6 −09b
StandardTerminology Relating to
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Methods of Mechanical Testing
This standard is issued under the fixed designation E6; the number immediately following the designation indicates the year of original
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
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.
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ε NOTE—Editorial corrections were made throughout in March 2011.
1. Scope termofinterestisrelatedtoorisgivenbelowthedefinitionfor
the fundamental term cited.
1.1 This terminology covers the principal terms relating to
Term
methods of mechanical testing of solids. The general defini-
angular strain see strain
tions are restricted and interpreted, when necessary, to make
axial strain see strain
them particularly applicable and practicable for use in stan-
bending strain see strain
chord modulus see modulus of elasticity
dards requiring or relating to mechanical tests. These defini-
direct verification see verification
tions are published to encourage uniformity of terminology in
compressive stress see stress
product specifications.
elastic constants see modulus of elasticity and Poisson’s
ratio
1.2 Termsrelatingtofatigueandfracturetestingaredefined
elastic modulus see modulus of elasticity
in Terminology E1823. engineering strain see strain
engineering stress see stress
fracture stress see stress
2. Referenced Documents
indirect verification see verification
2 linear (tensile or compressive) strain see strain
2.1 ASTM Standards:
macrostrain see strain
E8/E8MTest Methods for Tension Testing of Metallic Ma-
malleability see ductility
microstrain see strain
terials
modulus of rigidity see modulus of elasticity
E796Test Method for Ductility Testing of Metallic Foil
nominal stress see stress
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(Withdrawn 2009)
normal stress see stress
physical properties see mechanical properties
E1823TerminologyRelatingtoFatigueandFractureTesting
pin see mandrel (in bend testing)
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2.2 ISO Standard:
plunger see mandrel (in bend testing)
principal stress see stress
ISO/IEC Guide 99:2007 International Vocabulary of
residual strain see strain
metrology—Basic and general concepts and terms (VIM)
residual stress see stress
Rockwell superficial see Rockwell hardness number
3. Index of Cross-References and Associated Definitions hardness number
secant modulus see modulus of elasticity
3.1 The terms listed below are associated with terminology
shear strain see strain
shear stress see stress
that is fundamental or commonly used. The definition for the
static fatigue strength see creep rupture strength
strain gauge fatigue life see fatigue life
stress-rupture strength see creep rupture strength
1 tangent modulus see modulus of elasticity
This terminology is under the jurisdiction of ASTM Committee E28 on
tensile stress see stress
Mechanical Testing and is the direct responsibility of Subcommittee E28.91 on
torsional modulus see modulus of elasticity
Terminology except where designated otherwise. A subcommittee designation in
torsional stress see stress
parenthesesfollowingadefinitionindicatesthesubcommitteewithresponsibilityfor
transverse strain see strain
that definition.
true strain see strain
Current edition approved May 15, 2009. Published June 2009. Originally
true stress see stress
approved in 1923. Last previous edition approved in 2009 as E6–09a. DOI:
ultimate tensile strength (UTS) see tensile strength
10.1520/E0006-09B.
yield strength see also upper yield strength and lower
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
yield strength
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volumeinformation,refertothestandard’sDocumentSummarypageon
4. Terminology
the ASTM website.
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The last approved version of this historical standard is referenced on
4.1 Terms and Definitions:
www.astm.org.
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accuracy, n—the permissible variation from the correct value.
Available from International Organization for Standardization (ISO), 1 rue de
Varembé, Case postale 56, CH-1211, Geneva 20, Switzerland, http://www.iso.ch. (E28.01)
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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E6−09b
alignment, n—the condition of a testing machine and load Brinell hardness number, HB , n—result from indentation
train (including the test specimen) that influences the intro- hardness test in which a number proportional to the quotient
duction of bending moments into a specimen during tensile obtainedbydividingthetestforcebythecurvedsurfacearea
loading. (E28.04) of the indentation which is assumed to be sphereical and of
the diameter
...