ASTM E2092-18a

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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: E2092 − 18 E2092 − 18a
Standard Test Method for
Distortion Temperature in Three-Point Bending by
1
Thermomechanical Analysis
This standard is issued under the fixed designation E2092; 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 Scope*
1.1 This test method describes the determination of the temperature at which the specific modulus of a test specimen is realized
by deflection in three-point bending. This temperature is identified as the distortion temperature. The distortion temperature is that
temperature at which a test specimen of defined geometry deforms to a level of strain under applied stress of 0.455 MPa (66 psi)
(Method A) and 1.82 MPa (264 psi) (Method B) equivalent to those used in Test Method D648. The test is applicable over the
range of temperature from ambient to 300 °C.
NOTE 1—This test method is intended to provide results similar to those of Test Method D648 but areis performed on a thermomechanical analyzer
using a smaller test specimen. Equivalence of results to those obtained by Test Method D648 has been demonstrated on a limited number of materials.
The results of this test method shall be considered to be independent and unrelated to those of Test Method D648 unless the user demonstrates
equivalence.
1.2 There is no ISO standard equivalent to this test method.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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, health, and environmental practices and determine the applicability of
regulatory limitations prior to use.
1.4 This 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.
2. Referenced Documents
2
2.1 ASTM Standards:
D648 Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
E473 Terminology Relating to Thermal Analysis and Rheology
E1142 Terminology Relating to Thermophysical Properties
E1363 Test Method for Temperature Calibration of Thermomechanical Analyzers
E2113 Test Method for Length Change Calibration of Thermomechanical Analyzers
E2206 Test Method for Force Calibration of Thermomechanical Analyzers
3. Terminology
3.1 Definitions—Specific technical terms used in this standard are defined in Terminologies E473 and E1142, including stress,
strain, and thermomechanical analyzer.
3.1.1 distortion temperature [°C], n—the temperature at which an arbitrary strain level is obtained in three-point bending under
an arbitrary load.
4. Summary of Test Method
4.1 A test specimen of known dimensions is tested in three-point bending mode. A known stress is applied to the center of a
test specimen supported near its ends, as it is heated at a constant rate from ambient temperature to the upper temperature limit
1
This test method is under the jurisdiction of Committee E37 on Thermal Measurements and is the direct responsibility of Subcommittee E37.10 on Fundamental,
Statistical and Mechanical Properties.
Current edition approved June 1, 2018Dec. 1, 2018. Published June 2018January 2019. Originally approved in 2000. Last previous edition approved in 20132018 as
E2092 – 13.E2092 – 18. DOI: 10.1520/E2092-18.10.1520/E2092-18A.
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
Standardsvolume information, refer tot he standard’s Document Summary page on the ASTM website.
*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
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E2092 − 18a
for the material. The deflection of the test specimen is recorded as a function of temperature. The temperature at which a
predetermined level of strain is observed in the test specimen is analyzed as the distortion tem
...

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: E2092 − 18a
Standard Test Method for
Distortion Temperature in Three-Point Bending by
1
Thermomechanical Analysis
This standard is issued under the fixed designation E2092; 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
1.1 This test method describes the determination of the 2.1 ASTM Standards:
temperature at which the specific modulus of a test specimen is D648 Test Method for Deflection Temperature of Plastics
realized by deflection in three-point bending. This temperature Under Flexural Load in the Edgewise Position
is identified as the distortion temperature. The distortion E473 Terminology Relating to Thermal Analysis and Rhe-
temperature is that temperature at which a test specimen of ology
defined geometry deforms to a level of strain under applied E1142 Terminology Relating to Thermophysical Properties
stress of 0.455 MPa (66 psi) (Method A) and 1.82 MPa (264 E1363 Test Method for Temperature Calibration of Thermo-
psi) (Method B) equivalent to those used in Test Method D648. mechanical Analyzers
The test is applicable over the range of temperature from E2113 Test Method for Length Change Calibration of Ther-
ambient to 300 °C. momechanical Analyzers
E2206 Test Method for Force Calibration of Thermome-
NOTE 1—This test method is intended to provide results similar to those
chanical Analyzers
of Test Method D648 but is performed on a thermomechanical analyzer
using a smaller test specimen. Equivalence of results to those obtained by
Test Method D648 has been demonstrated on a limited number of
3. Terminology
materials. The results of this test method shall be considered to be
3.1 Definitions—Specific technical terms used in this stan-
independent and unrelated to those of Test Method D648 unless the user
dard are defined in Terminologies E473 and E1142, including
demonstrates equivalence.
stress, strain, and thermomechanical analyzer.
1.2 The values stated in SI units are to be regarded as
3.1.1 distortion temperature [°C], n—the temperature at
standard. No other units of measurement are included in this
which an arbitrary strain level is obtained in three-point
standard.
bending under an arbitrary load.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
4. Summary of Test Method
responsibility of the user of this standard to establish appro-
4.1 A test specimen of known dimensions is tested in
priate safety, health, and environmental practices and deter-
three-point bending mode. A known stress is applied to the
mine the applicability of regulatory limitations prior to use.
center of a test specimen supported near its ends, as it is heated
1.4 This international standard was developed in accor-
at a constant rate from ambient temperature to the upper
dance with internationally recognized principles on standard-
temperature limit for the material. The deflection of the test
ization established in the Decision on Principles for the
specimen is recorded as a function of temperature. The
Development of International Standards, Guides and Recom-
temperature at which a predetermined level of strain is ob-
mendations issued by the World Trade Organization Technical
served in the test specimen is analyzed as the distortion
Barriers to Trade (TBT) Committee.
temperature.
1
This test method is under the jurisdiction of Committee E37 on Thermal
Measurements and is the direct responsibility of Subcommittee E37.10 on
2
Fundamental, Statistical and Mechanical Properties. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Dec. 1, 2018. Published January 2019. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 2000. Last previous edition approved in 2018 as E2092 – 18. DOI: Standardsvolume information, refer tot he standard’s Document Summary page on
10.1520/E2092-18A. the ASTM website.
*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

---------------------- Page: 1 ----------------------
E2092 − 18a
5. Significance and Use 6.1.6 Temperature Sensor, that can be positioned reproduc-
ibly in close proximity to the specimen to measure its tempera-
5.1 Data obtained by this test method shall not be used to
ture within the range between 25 °C and 300 °C readable to 6
predict the behavior of materials at elevated temperatures
0.1 °C.
except in applications in which the c
...