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ASTM E1823-05a

(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 E1823-05 - Standard Terminology Relating to Fatigue and Fracture Testing
Effective Date
01-Nov-2005
Replaced By
ASTM E1823-05ae1 - Standard Terminology Relating to Fatigue and Fracture Testing
Effective Date
01-Nov-2005
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 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 F3211-17 - Standard Guide for Fatigue-to-Fracture (FtF) Methodology for Cardiovascular Medical Devices
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

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ASTM E1823-05a - Standard Terminology Relating to Fatigue and Fracture TestingASTM E1823-05a - Standard Terminology Relating to Fatigue and Fracture Testing
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ASTM E1823-05a - Standard Terminology Relating to Fatigue and Fracture Testing
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Standards Content (Sample)

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
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. Scope ized Stress-Life (S-N) and Strain-Life (e-N) Fatigue Data
E740 Practice for Fracture Testing with Surface-Crack
1.1 This terminology contains definitions, definitions of
Tension Specimens
terms specific to certain standards, symbols, and abbreviations
E813 Test Method for J , a Measure of Fracture Tough-
approved for use in standards on fatigue and fracture testing. Ic
3
ness
The definitions are preceded by two lists. The first is an
E992 Practice for Determination of Fracture Toughness of
alphabetical listing of symbols used. (Greek symbols are listed
3
Steels Using Equivalent Energy Methodology
in accordance with their spelling in English.) The second is an
E1049 Practices for Cycle Counting in Fatigue Analysis
alphabetical listing of relevant abbreviations.
3
E1152 Test Method for Determining J-R Curves
1.2 This terminology includes Annex A1 on Units and
E1221 Test Method for Determining Plane-Strain Crack-
AnnexA2 on Designation Codes for Specimen Configuration,
Arrest Fracture Toughness, K , of Ferritic Steels
Ia
Applied Loading, and Crack or Notch Orientation.
E1290 Test Method for Crack-Tip Opening Displacement
2. Referenced Documents
(CTOD) Fracture Toughness Measurement
2
E 1304 Test Method for Plane-Strain (Chevron-Notch)
2.1 ASTM Standards:
Fracture Toughness of Metallic Materials
E6 Terminology Relating to Methods of Mechanical Test-
E1457 Test Method for Measurement of Creep Crack
ing
Growth Rates in Metals
E338 Test Method for Sharp-Notch Tension Testing of
E1681 Test Method for Determining a Threshold Stress
High-Strength Sheet Materials
Intensity Factor for Environment-Assisted Cracking of
E399 Test Method for Plane-Strain Fracture Toughness of
Metallic Materials
Metallic Materials
E1737 TestMethodforJ-IntegralCharacterizationofFrac-
E436 Test Method for Drop-Weight Tear Tests of Ferritic
ture Toughness
Steels
E1820 Test Method for Measurement of Fracture Tough-
E467 Practice for Verification of Constant Amplitude Dy-
ness
namic Forces in an Axial Load Fatigue Testing System
G15 Terminology Relating to Corrosion and Corrosion
E468 Practice for Presentation of Constant Amplitude Fa-
Testing
tigue Test Results for Metallic Materials
E561 Practice for R-Curve Determination
3. Terminology
E602 Test Method for Sharp-Notch Tension Testing with
3.1 AlphabeticalListingofPrincipalSymbolsUsedinThis
Cylindrical Specimens
Terminology:
E604 Test Method for Dynamic Tear Testing of Metallic
Materials
Symbol Term
E606 Practice for Strain-Controlled Fatigue Testing
a crack depth, crack length, crack size, estimated crack
E647 Test Method for Measurement of Fatigue Crack size
a effective crack size
e
Growth Rates
a notch length
n
E739 Practice for Statistical Analysis of Linear or Linear-
a original crack size
o
a physical crack size
p
a/W normalized crack size
A force ratio (P /P )
a m
1
A net-section area
ThisterminologyisunderthejurisdictionofASTMCommitteeE08onFatigue N
b remaining ligament
and Fracture and is the direct responsibility of Subcommittee E08.02 on Standards
b original uncracked ligament
o
and Terminology.
B specimen thickness
Current edition approved Nov. 1, 2005. Published November 2005. Originally
B effective thickness
e
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 ----------------------
E 1823 – 05a
Symbol Term Symbol Term
B net thickness w displacement in z direction
N
2c surface-crack length W specimen width
C normalized K-gradient Y* stress-intensity factor coefficient
D cycle ratio (n/N ) Y* minimum stress-intensity factor coefficient
f m
C*(t) C*(t) − Integral
3.2 Alphabetical Listing of Abbreviations Used:
da/dN fatigue-crack-growth rate
d crack-tip opening displacement (CTOD)
CMOD crack-mouth opening displacement
dd specimen gage length
COD see CTOD
Da crack extension, estimated crack extension
CTOD crack-tip opening displacement
DK stress-intensity-factor range
DT dynamic tear
DK fatigue-crack-growth threshold
th DWTT drop-weight tear test
DP force ra
...

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