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ASTM International - ASTM E831-19

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

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Organization: ASTM International
Publication Date: 1 April 2019
Status: active
Page Count: 5
ICS Code (Mechanical testing): 19.060
significance And Use:

5.1 Coefficients of linear thermal expansion are used, for example, for design purposes and to determine if failure by thermal stress may occur when a solid body composed of two different... View More

scope:

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.

Document History

ASTM E831-19
April 1, 2019
Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis
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...
August 1, 2014
Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis
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...
November 1, 2013
Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis
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...
March 1, 2012
Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis
1.1 This test method determines the apparent coefficient of linear thermal expansion of solid materials using thermomechanical analysis techniques. 1.2 This test method is applicable to solid...
March 15, 2006
Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis
1.1 This test method determines the apparent coefficient of linear thermal expansion of solid materials using thermomechanical analysis techniques. Related information can be found in Refs. (, ). 1.2...
May 1, 2005
Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis
1.1 This test method determines the apparent coefficient of linear thermal expansion of solid materials using thermomechanical analysis techniques. Related information can be found in Refs....
September 10, 2003
Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis
1.1 This test method covers determination of linear thermal expansion of solid materials using thermomechanical analysis techniques. Related information can be found in Refs. (1-12). 1.2 This test...
March 10, 2000
Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis
1.1 This test method covers determination of linear thermal expansion of solid materials using thermomechanical analysis techniques. 1.2 This test method is applicable to solid materials that...
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