Standard Practice for Constant-Amplitude, Axial, Tension-Tension Cyclic Fatigue of Advanced Ceramics at Ambient Temperatures

SIGNIFICANCE AND USE
This practice may be used for material development, material comparison, quality assurance, characterization, reliability assessment, and design data generation.
High-strength, monolithic advanced ceramic materials are generally characterized by small grain sizes (50 μm) and bulk densities near the theoretical density. These materials are candidates for load-bearing structural applications requiring high degrees of wear and corrosion resistance, and high-temperature strength. Although flexural test methods are commonly used to evaluate strength of advanced ceramics, the non uniform stress distribution in a flexure specimen limits the volume of material subjected to the maximum applied stress at fracture. Uniaxially-loaded tensile strength tests may provide information on strength-limiting flaws from a greater volume of uniformly stressed material.
Cyclic fatigue by its nature is a probabilistic phenomenon as discussed in STP 91A and STP 588.(1,2) In addition, the strengths of advanced ceramics are probabilistic in nature. Therefore, a sufficient number of test specimens at each testing condition is required for statistical analysis and design, with guidelines for sufficient numbers provided in STP 91A, (1) STP 588, (2) and Practice E739. The many different tensile specimen geometries available for cyclic fatigue testing may result in variations in the measured cyclic fatigue behavior of a particular material due to differences in the volume or surface area of material in the gage section of the test specimens.
Tensile cyclic fatigue tests provide information on the material response under fluctuating uniaxial tensile stresses. Uniform stress states are required to effectively evaluate any non-linear stress-strain behavior which may develop as the result of cumulative damage processes (for example, microcracking, cyclic fatigue crack growth, etc.).
Cumulative damage processes due to cyclic fatigue may be influenced by testing mode, testing rate (related to fr...
SCOPE
1.1 This practice covers the determination of constant-amplitude, axial tension-tension cyclic fatigue behavior and performance of advanced ceramics at ambient temperatures to establish “baseline” cyclic fatigue performance. This practice builds on experience and existing standards in tensile testing advanced ceramics at ambient temperatures and addresses various suggested test specimen geometries, test specimen fabrication methods, testing modes (force, displacement, or strain control), testing rates and frequencies, allowable bending, and procedures for data collection and reporting. This practice does not apply to axial cyclic fatigue tests of components or parts (that is, machine elements with non uniform or multiaxial stress states).
1.2 This practice applies primarily to advanced ceramics that macroscopically exhibit isotropic, homogeneous, continuous behaviour. While this practice applies primarily to monolithic advanced ceramics, certain whisker- or particle-reinforced composite ceramics as well as certain discontinuous fibre-reinforced composite ceramics may also meet these macroscopic behaviour assumptions. Generally, continuous fibre-reinforced ceramic composites (CFCCs) do not macroscopically exhibit isotropic, homogeneous, continuous behaviour and application of this practice to these materials is not recommended.
1.3 The values stated in SI units are to be regarded as the standard and are in accordance with .
1.4 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. Refer to Section 7 for specific precautions.

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ASTM C1361-10 - Standard Practice for Constant-Amplitude, Axial, Tension-Tension Cyclic Fatigue of Advanced Ceramics at Ambient Temperatures
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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: C1361 − 10
StandardPractice for
Constant-Amplitude, Axial, Tension-Tension Cyclic Fatigue
1
of Advanced Ceramics at Ambient Temperatures
This standard is issued under the fixed designation C1361; 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* 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 This practice covers the determination of constant-
C1145 Terminology of Advanced Ceramics
amplitude, axial tension-tension cyclic fatigue behavior and
C1273 Test Method for Tensile Strength of Monolithic
performance of advanced ceramics at ambient temperatures to
Advanced Ceramics at Ambient Temperatures
establish “baseline” cyclic fatigue performance. This practice
C1322 Practice for Fractography and Characterization of
builds on experience and existing standards in tensile testing
Fracture Origins in Advanced Ceramics
advanced ceramics at ambient temperatures and addresses
E4 Practices for Force Verification of Testing Machines
various suggested test specimen geometries, test specimen
E6 Terminology Relating to Methods of Mechanical Testing
fabrication methods, testing modes (force, displacement, or
E83 Practice for Verification and Classification of Exten-
strain control), testing rates and frequencies, allowable
someter Systems
bending, and procedures for data collection and reporting.This
E337 Test Method for Measuring Humidity with a Psy-
practice does not apply to axial cyclic fatigue tests of compo-
chrometer (the Measurement of Wet- and Dry-Bulb Tem-
nents or parts (that is, machine elements with non uniform or
peratures)
multiaxial stress states).
E467 Practice for Verification of Constant Amplitude Dy-
1.2 This practice applies primarily to advanced ceramics namic Forces in an Axial Fatigue Testing System
that macroscopically exhibit isotropic, homogeneous, continu- E468 Practice for Presentation of Constant Amplitude Fa-
tigue Test Results for Metallic Materials
ous behaviour. While this practice applies primarily to mono-
lithic advanced ceramics, certain whisker- or particle- E739 PracticeforStatisticalAnalysisofLinearorLinearized
Stress-Life (S-N) and Strain-Life (ε-N) Fatigue Data
reinforced composite ceramics as well as certain discontinuous
E1012 Practice for Verification of Testing Frame and Speci-
fibre-reinforced composite ceramics may also meet these
men Alignment Under Tensile and Compressive Axial
macroscopic behaviour assumptions. Generally, continuous
Force Application
fibre-reinforced ceramic composites (CFCCs) do not macro-
E1823 TerminologyRelatingtoFatigueandFractureTesting
scopically exhibit isotropic, homogeneous, continuous behav-
IEEE/ASTM SI 10 Standard for Use of the International
iour and application of this practice to these materials is not
System of Units (SI) (The Modern Metric System)
recommended.
2.2 Military Handbook:
1.3 The values stated in SI units are to be regarded as the
MIL-HDBK-790 Fractography and Characterization of
standard and are in accordance with IEEE/ASTM SI 10. 3
Fracture Origins in Advanced Structural Ceramics
1.4 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—Definitions of terms relating to advanced
responsibility of the user of this standard to establish appro-
ceramics, cyclic fatigue, and tensile testing as they appear in
priate safety and health practices and determine the applica-
Terminology C1145, Terminology E1823, and Terminology
bility of regulatory limitations prior to use. Refer to Section 7
E6, respectively, apply to the terms used in this practice.
for specific precautions.
Selected terms with definitions non-specific to this practice
1 2
This practice is under the jurisdiction of ASTM Committee C28 on Advanced For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Ceramics and is the direct responsibility of Subcommittee C28.01 on Mechanical contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Properties and Performance. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved July 15, 2010. Published August 2010. Originally the ASTM website.
3
approved in 1996. Last previous edition approved in 2007 as C1361 – 01 (2007). Available from Army Research Laboratory-Materials Directorate, Aberdeen
DOI: 10.1520/C1361-10. Proving Ground, MD 21005.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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...

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:C1361–01 (Reapproved 2007) Designation: C1361 – 10
Standard Practice for
Constant-Amplitude, Axial, Tension-Tension Cyclic Fatigue
1
of Advanced Ceramics at Ambient Temperatures
This standard is issued under the fixed designation C1361; 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 determination of constant-amplitude, axial tension-tension cyclic fatigue behaviourbehavior and
performance of advanced ceramics at ambient temperatures to establish “baseline” cyclic fatigue performance.This practice builds
on experience and existing standards in tensile testing advanced ceramics at ambient temperatures and addresses various suggested
test specimen geometries, test specimen fabrication methods, testing modes (force, displacement, or strain control), testing rates
and frequencies, allowable bending, and procedures for data collection and reporting. This practice does not apply to axial cyclic
fatigue tests of components or parts (that is, machine elements with non uniform or multiaxial stress states).
1.2 This practice applies primarily to advanced ceramics that macroscopically exhibit isotropic, homogeneous, continuous
behaviour.Whilethispracticeappliesprimarilytomonolithicadvancedceramics,certainwhisker-orparticle-reinforcedcomposite
ceramics as well as certain discontinuous fibre-reinforced composite ceramics may also meet these macroscopic behaviour
assumptions. Generally, continuous fibre-reinforced ceramic composites (CFCCs) do not macroscopically exhibit isotropic,
homogeneous, continuous behaviour and application of this practice to these materials is not recommended.
1.3 The values stated in SI units are to be regarded as the standard and are in accordance with IEEE/ASTM SI 10.
1.4 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. Refer to Section 7 for specific precautions.
2. Referenced Documents
2
2.1 ASTM Standards:
C1145 Terminology of Advanced Ceramics
C1273 Test Method for Tensile Strength of Monolithic Advanced Ceramics at Ambient Temperatures
C1322 Practice for Fractography and Characterization of Fracture Origins in Advanced Ceramics
E4 Practices for Force Verification of Testing Machines
E6 Terminology Relating to Methods of Mechanical Testing
E83 Practice for Verification and Classification of Extensometer Systems
E337 Test Method for Measuring Humidity with a Psychrometer (the Measurement of Wet- and Dry-Bulb Temperatures)
E467 Practice for Verification of Constant Amplitude Dynamic Forces in an Axial Fatigue Testing System
E468 Practice for Presentation of Constant Amplitude Fatigue Test Results for Metallic Materials
E739 Practice for Statistical Analysis of Linear or Linearized Stress-Life ( S-N) and Strain-Life (-N) Fatigue Data
E1012 PracticeforVerificationofTestFrameandSpecimenAlignmentUnderTensileandCompressiveAxialForceApplication
E1823 Terminology Relating to Fatigue and Fracture Testing
IEEE/ASTMSI10
IEEE/ASTM SI 10 Standard for Use of the International System of Units (SI) (The Modern Metric System)
2.2 Military Handbook:
3
MIL-HDBK-790 Fractography and Characterization of Fracture Origins in Advanced Structural Ceramics
1
ThispracticeisunderthejurisdictionofASTMCommittee C28onAdvancedCeramicsandisthedirectresponsibilityofSubcommitteeC28.01onMechanicalProperties
and Performance.
Current edition approved Feb. 1, 2007. Published March 2007. Originally approved in 1996. Last previous edition approved in 2001 as C1361–01. DOI:
10.1520/C1361-01R07.
Current edition approved July 15, 2010. Published August 2010. Originally approved in 1996. Last previous edition approved in 2007 as C1361 – 01 (2007). DOI:
10.1520/C1361-10.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM 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
Available from Army Research Laboratory-Materials Directorate, Aberdeen Proving Ground, MD 21005.
*A Summary of Changes section appears at the end of this standard.
Copyright
...

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