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ASTM C 1198 : 2020

Current
Current

The latest, up-to-date edition.

Standard Test Method for Dynamic Young’s Modulus, Shear Modulus, and Poisson’s Ratio for Advanced Ceramics by Sonic Resonance
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2020

1.1This test method covers the determination of the dynamic elastic properties of advanced ceramics. Specimens of these materials possess specific mechanical resonant frequencies that are determined by the elastic modulus, mass, and geometry of the test specimen. Therefore, the dynamic elastic properties of a material can be computed if the geometry, mass, and mechanical resonant frequencies of a suitable rectangular or cylindrical test specimen of that material can be measured. The resonant frequencies in flexure and torsion are measured by mechanical excitation of vibrations of the test specimen in a suspended mode (Section 4 and Figs. 1 and 4). Dynamic Young’s modulus is determined using the resonant frequency in the flexural mode of vibration. The dynamic shear modulus, or modulus of rigidity, is found using torsional resonant vibrations. Dynamic Young’s modulus and dynamic shear modulus are used to compute Poisson’s ratio.

1.2This test method is specifically appropriate for advanced ceramics that are elastic, homogeneous, and isotropic (1).2 Advanced ceramics of a composite character (particulate, whisker, or fiber reinforced) may be tested by this test method with the understanding that the character (volume fraction, size, morphology, distribution, orientation, elastic properties, and interfacial bonding) of the reinforcement in the test specimen will have a direct effect on the elastic properties. These reinforcement effects must be considered in interpreting the test results for composites. This test method is not satisfactory for specimens that have cracks or voids that are major discontinuities in the specimen. Neither is the test method satisfactory when these materials cannot be fabricated in a uniform rectangular or circular cross-section.

1.3A high-temperature furnace and cryogenic cabinet are described for measuring the dynamic elastic moduli as a function of temperature from −195 to 1200 °C.

1.4There are material-specific ASTM standards that cover the determination of resonance frequencies and elastic properties of specific materials by sonic resonance or by impulse excitation of vibration. Test Methods C215, C623, C747, C848, C1259, E1875, and E1876 may differ from this test method in several areas (for example: sample size, dimensional tolerances, sample preparation, calculation details, etc.). The testing of those materials should be done in compliance with the appropriate material-specific standards. Where possible, the procedures, sample specifications, and calculations in this standard are consistent with the other test methods.

1.5The values stated in SI units are to be regarded as the standard. The non-SI values given in parentheses are for information only and are not considered standard.

1.6This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
C 28
DocumentType
Test Method
Pages
12
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

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ASTM C 1793 : 2015 Standard Guide for Development of Specifications for Fiber Reinforced Silicon Carbide-Silicon Carbide Composite Structures for Nuclear Applications
ASTM F 2393 : 2012 : R2016 Standard Specification for High-Purity Dense Magnesia Partially Stabilized Zirconia (Mg-PSZ) for Surgical Implant Applications
ASTM C 1674 : 2016 Standard Test Method for Flexural Strength of Advanced Ceramics with Engineered Porosity (Honeycomb Cellular Channels) at Ambient Temperatures
ASTM C 1836 : 2016 Standard Classification for Fiber Reinforced Carbon-Carbon Composite Structures
ASTM C 1259 : 2015 Standard Test Method for Dynamic Young’s Modulus, Shear Modulus, and Poisson’s Ratio for Advanced Ceramics by Impulse Excitation of Vibration
ASTM E 1876 : 2015 Standard Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio by Impulse Excitation of Vibration
ASTM E 1875 : 2013 Standard Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio by Sonic Resonance

ASTM E 1875 : 2020 : REV A Standard Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio by Sonic Resonance
ASTM C 1145 : 1998 Standard Terminology of Advanced Ceramics
ASTM E 1876 : 2021 Standard Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio by Impulse Excitation of Vibration
ASTM C 1161 : 2018 : R2023 Standard Test Method for Flexural Strength of Advanced Ceramics at Ambient Temperature
ASTM E 1875 : 2013 Standard Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio by Sonic Resonance
ASTM E 1876 : 2022 Standard Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio by Impulse Excitation of Vibration
ASTM E 6 : 2002 Standard Terminology Relating to Methods of Mechanical Testing
ASTM C 747 : 2016 Standard Test Method for Moduli of Elasticity and Fundamental Frequencies of Carbon and Graphite Materials by Sonic Resonance
ASTM C 1259 : 2021 Standard Test Method for Dynamic Young’s Modulus, Shear Modulus, and Poisson’s Ratio for Advanced Ceramics by Impulse Excitation of Vibration
ASTM E 1875 : 2020 Standard Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio by Sonic Resonance
ASTM C 747 : 2023 Standard Test Method for Moduli of Elasticity and Fundamental Frequencies of Carbon and Graphite Materials by Sonic Resonance
ASTM C 215 : 2019 Standard Test Method for Fundamental Transverse, Longitudinal, and<brk/> Torsional Resonant Frequencies of Concrete Specimens
ASTM C 1161 : 2018 Standard Test Method for Flexural Strength of Advanced Ceramics at Ambient Temperature
ASTM E 6 : 2015 : EDT 3 Standard Terminology Relating to Methods of Mechanical Testing
ASTM E 6 : 2023 : REV A Standard Terminology Relating to Methods of Mechanical Testing
ASTM C 623 : 2021 Standard Test Method for Young&apos;s Modulus, Shear Modulus, and Poisson&apos;s Ratio for Glass and Glass-Ceramics by Resonance
ASTM C 1259 : 1998 Standard Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio for Advanced Ceramics by Impulse Excitation of Vibration
ASTM E 6 : 2015 : EDT 4 : REDLINE Standard Terminology Relating to Methods of Mechanical Testing
ASTM C 1161 : 1994 : R1996 Standard Test Method for Flexural Strength of Advanced Ceramics at Ambient Temperature
ASTM C 215 : 1997 : EDT 1 Standard Test Method for Fundamental Transverse, Longitudinal, and Torsional Frequencies of Concrete Specimens
ASTM E 6 : 2015 : EDT 4 Standard Terminology Relating to Methods of Mechanical Testing
ASTM E 6 : 2023 Standard Terminology Relating to Methods of Mechanical Testing
ASTM C 623 : 1992 : R2015 Standard Test Method for Young's Modulus, Shear Modulus, and Poisson's Ratio for Glass and Glass-Ceramics by Resonance

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