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ASTM E1823-05ae1

(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 on Units and on Designation Codes for Specimen Configuration, Applied Loading, and Crack or Notch Orientation.

General Information

Status
Historical
Publication Date
31-Oct-2005
ICS
01.040.19 - Testing (Vocabularies)
19.060 - Mechanical testing
Technical Committee
E08 - Fatigue and Fracture
Drafting Committee
E08.02 - Terminology
Current Stage
Ref Project

Relations

Replaces
ASTM E1823-05a - Standard Terminology Relating to Fatigue and Fracture Testing
Effective Date
01-Nov-2005
Replaced By
ASTM E1823-07 - Standard Terminology Relating to Fatigue and Fracture Testing
Effective Date
01-Jul-2007
Referred By
ASTM E3039-20 - Standard Test Method for Determination of Crack-Tip-Opening Angle of Ferritic Steels Using DWTT-Type Specimens
Effective Date
01-Nov-2005
Referred By
ASTM E1304-97(2020) - Standard Test Method for Plane-Strain (Chevron-Notch) Fracture Toughness of Metallic Materials
Effective Date
01-Nov-2005
Referred By
ASTM E740/E740M-03(2016) - Standard Practice for Fracture Testing with Surface-Crack Tension Specimens
Effective Date
01-Nov-2005
Referred By
ASTM D6873/D6873M-23 - Standard Practice for Bearing Fatigue Response of Polymer Matrix Composite Laminates
Effective Date
01-Nov-2005
Referred By
ASTM E6-23a - Standard Terminology Relating to Methods of Mechanical Testing
Effective Date
01-Nov-2005
Referred By
ASTM E399-23 - Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness of Metallic Materials
Effective Date
01-Nov-2005
Referred By
ASTM F1264-16e1 - Standard Specification and Test Methods for Intramedullary Fixation Devices
Effective Date
01-Nov-2005
Referred By
ASTM F2077-22 - Standard Test Methods for Intervertebral Body Fusion Devices
Effective Date
01-Nov-2005
Referred By
ASTM C1465-08(2019) - Standard Test Method for Determination of Slow Crack Growth Parameters of Advanced Ceramics by Constant Stress-Rate Flexural Testing at Elevated Temperatures
Effective Date
01-Nov-2005
Referred By
ASTM F2346-18 - Standard Test Methods for Static and Dynamic Characterization of Spinal Artificial Discs
Effective Date
01-Nov-2005
Referred By
ASTM F1541-17 - Standard Specification and Test Methods for External Skeletal Fixation Devices
Effective Date
01-Nov-2005
Referred By
ASTM F2502-17 - Standard Specification and Test Methods for Absorbable Plates and Screws for Internal Fixation Implants
Effective Date
01-Nov-2005
Referred By
ASTM E647-23a - Standard Test Method for Measurement of Fatigue Crack Growth Rates
Effective Date
01-Nov-2005

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ASTM E1823-05ae1 - Standard Terminology Relating to Fatigue and Fracture TestingASTM E1823-05ae1 - Standard Terminology Relating to Fatigue and Fracture Testing
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ASTM E1823-05ae1 - Standard Terminology Relating to Fatigue and Fracture Testing
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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
e1
Designation: E 1823 – 05a
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.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1
e NOTE—The source for plain-strain fracture toughness was editorially corrected in February 2006.
1. Scope E739 Practice for Statistical Analysis of Linear or Linear-
ized Stress-Life ( S-N) and Strain-Life (e-N) Fatigue Data
1.1 This terminology contains definitions, definitions of
E740 Practice for Fracture Testing with Surface-Crack
terms specific to certain standards, symbols, and abbreviations
Tension Specimens
approved for use in standards on fatigue and fracture testing.
E813 Test Method for JIc, A Measure of Fracture Tough-
The definitions are preceded by two lists. The first is an
ness
alphabetical listing of symbols used. (Greek symbols are listed
E992 Practice for Determination of Fracture Toughness of
in accordance with their spelling in English.) The second is an
Steels Using Equivalent Energy Methodology
alphabetical listing of relevant abbreviations.
E1049 Practices for Cycle Counting in Fatigue Analysis
1.2 This terminology includes Annex A1 on Units and
E1152 Test Method for Determining-J-R-Curves
AnnexA2 on Designation Codes for Specimen Configuration,
E1221 Test Method for Determining Plane-Strain Crack-
Applied Loading, and Crack or Notch Orientation.
Arrest Fracture Toughness, K , of Ferritic Steels
Ia
2. Referenced Documents
E1290 Test Method for Crack-Tip Opening Displacement
2
(CTOD) Fracture Toughness Measurement
2.1 ASTM Standards:
E 1304 Test Method for Plane-Strain (Chevron-Notch)
E6 Terminology Relating to Methods of Mechanical Test-
Fracture Toughness of Metallic Materials
ing
E1457 Test Method for Measurement of Creep Crack
E338 Test Method of Sharp-Notch Tension Testing of
Growth Rates in Metals
High-Strength Sheet Materials
E1681 Test Method for Determining Threshold Stress In-
E399 Test Method for Linear-Elastic Plane-Strain Fracture
tensity Factor for Environment-Assisted Cracking of Me-
Toughness K of Metallic Materials
Ic
tallic Materials
E436 Test Method for Drop-Weight Tear Tests of Ferritic
E1737 TestMethodforJ-IntegralCharacterizationofFrac-
Steels
3
ture Toughness (Discontinued 1998)
E467 Practice for Verification of Constant Amplitude Dy-
E1820 Test Method for Measurement of Fracture Tough-
namic Forces in an Axial Fatigue Testing System
ness
E468 Practice for Presentation of Constant Amplitude Fa-
G15 Terminology Relating to Corrosion and Corrosion
tigue Test Results for Metallic Materials
Testing
E561 Test Method for K-R Curve Determination
E602 Test Method for Sharp-Notch Tension Testing with
3. Terminology
Cylindrical Specimens
3.1 AlphabeticalListingofPrincipalSymbolsUsedinThis
E604 Test Method for Dynamic Tear Testing of Metallic
Terminology:
Materials
E606 Practice for Strain-Controlled Fatigue Testing
Symbol Term
E647 Test Method for Measurement of Fatigue Crack
a crack depth, crack length, crack size, estimated crack
Growth Rates
size
a effective crack size
e
a notch length
n
1 a original crack size
o
ThisterminologyisunderthejurisdictionofASTMCommitteeE08onFatigue
a physical crack size
p
and Fracture and is the direct responsibility of Subcommittee E08.02 on Standards
a/W normalized crack size
and Terminology.
A force ratio (P /P )
a m
Current edition approved Feb. 8, 2006. Published November 2005. Originally
A net-section area
N
approved in 1996. Last previous edition approved in 2005 as E1823–05.
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
3
the ASTM website. Withdrawn.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
e1
E 1823 – 05a
Symbol Term Symbol Term
b remaining ligament t ,t , t shear stresses (refer to Fig. 1)
xy yz zx
b original uncracked ligament u displacement in x direction
o
B specimen thickness v displacement in y direction
B effective thickness 2v crack-mouth opening displacement
e m
B net thickness V force-line displacement due to creep
N c
2c surface-crack length w displacement in z direction
C normalized K-gradient W specimen width
D cycle ratio (n/N ) Y* stress-intensity factor coefficient
f
C*(t) C*(t) − Integral Y* minimum stress-intensity factor coefficient
m
da/dN fatigue-crack-growth rate
d crack-tip opening displacement (CTO
...

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