ASTM E831 - 19 - Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis

ASTM E831 - 19

Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis

Status : Current   Published : April 2019

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1.1 This test method determines the technical coefficient of linear thermal expansion of solid materials using thermomechanical analysis techniques.

1.2 This test method is applicable to solid materials that exhibit sufficient rigidity over the test temperature range such that the sensing probe does not produce indentation of the specimen.

1.3 The recommended lower limit of coefficient of linear thermal expansion measured with this test method is 5 μm/(m·°C). The test method may be used at lower (or negative) expansion levels with decreased accuracy and precision (see Section 11).

1.4 This test method is applicable to the temperature range from −120 °C to 900 °C. The temperature range may be extended depending upon the instrumentation and calibration materials used.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6  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.

1.7  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.




Standard NumberASTM E831 - 19
TitleStandard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis
StatusCurrent
Publication Date01 April 2019
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors linear expansion, solid materials, thermal expansion coefficient, thermomechanical analysis
ICS19.060
PublisherASTM
FormatA4
DeliveryYes
Pages5
File Size95 KB
Price£40.00


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