ASTM E2113-02

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: E 2113 – 02
Standard Test Method for
1
Length Change Calibration of Thermomechanical Analyzers
This standard is issued under the fixed designation E 2113; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
1.1 This method describes calibration of the length change 3.1 Specific technical terms used in this method are de-
(deflection) measurement or thermal expansion of thermome- scribed in Terminologies E 473 and E 1142.
chanical analyzers (TMA) over the temperature range from
4. Summary of Test Method
-100 to 600°C using the thermal expansion of a suitable
reference material. 4.1 Thermomechanical analyzers (TMAs) or related devices
are commonly used to determine coefficient of linear thermal
1.2 Computer or electronic based instruments, techniques or
data treatment equivalent to this method may be used. expansion of solid materials (e.g., method E 831). The test
specimen is heated at a linear rate over the temperature range
NOTE 1—Users are advised that all such instruments or techniques may
of interest and the change in length (dimension) is electroni-
not be equivalent. It is the responsibility of the user to determine necessary
cally recorded.
equivalency prior to use.
4.2 Performance verification or calibration of the length
1.3 SI values are the standard.
change measurement is needed to obtain accurate coefficient of
1.4 This method differs from ISO standard 11359-1 by
thermal expansion data.
providing an alternative calibration procedure.
4.3 The thermal expansion of a reference material is re-
1.5 This standard does not purport to address all of the
corded using a thermomechanical analyzer. The recorded
safety concerns, if any, associated with its use. It is the
thermal expansion is compared to the known value of the
responsibility of whoever uses this standard to consult and
reference material. The resultant ratio, a calibration coefficient,
establish appropriate safety and health practices and deter-
may then be applied to the determination of unknown speci-
mine the applicability of regulatory limitations prior to use.
mens to obtain accurate results.
2. Referenced Documents
5. Significance and Use
2.1 ASTM Standards:
5.1 Performance verification or calibration is essential to the
2
E 473 Terminology Relating to Thermal Analysis
accurate determination of quantitative dimension change mea-
E 831 Test Method for Linear Thermal Expansion of Solid
surements.
2
Materials by Thermomechanical Analysis
5.2 This method may be used for instrument performance
E 1142 Terminology Relating to Thermophysical Proper-
validation, regulatory compliance, research and development
2
ties
and quality assurance purposes.
E 1363 Test Method for Temperature Calibration of Ther-
2
momechanical Analyzers
6. Apparatus
2.2 Other Standards:
6.1 Thermomechanical Analyzer (TMA)— The essential
ISO 11359-1 Plastics—Thermomechanical analysis
instrumentation required to provide the minimum thermome-
3
(TMA)—Part 1: General principles
chanical analytical or thermodilatometric capability for this
method includes:
1 6.1.1 A rigid specimen holder of inert, low expansivity
This test method is under the jurisdiction of ASTM Committee E37 on Thermal
-1 -1
material [<0.5 μm m K ] to center the specimen in the
Measurements and is the direct responsibility of Subcommittee E37.01 on Thermal.
Current edition approved August 10, 2002. Published October 2002. Originally
furnace and to fix the specimen to mechanical ground.
published as E 2113–00. Last previous edition E 2113–00.
6.1.2 A rigid expansion probe of inert, low expansivity
2
Annual Book of ASTM Standards, Vol 14.02.
-1 –1
3
material [<0.5 μm m K ] which contacts the specimen with
Available from American National Standards Institute, 11 W 42nd Street, 13th
Floor, New York, NY 10036. an applicable compressive or tensile force.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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E2113–02
6.1.3 A sensing element, linear over a minimum of 2 mm, to 6.2 Micrometer, calipers or other length measurement de-
measure the displacement of the rigid probe to within 6 10 nm vice capable of measuring linear dimensions up to 10 mm with
resulting from changes in length/height of the specimen. readability of 6 25 μm.
6.3 While not required, the user may find useful software
6.1.4 A weight or force transducer to generate a constant
that performs the calculations described in this method.
force between 1 and 100 mN (0.1 and 10 g) applied through th
...