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ASTM-E1545:2000 Edition

ASTM-E1545:2000 Edition

$35.75

E1545-00 Standard Test Method for Assignment of the Glass Transition Temperature by Thermomechanical Analysis

Published By Publication Date Number of Pages
ASTM 2000 4
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ASTM E1545-00

Historical Standard: Standard Test Method for Assignment of the Glass Transition Temperature by Thermomechanical Analysis

ASTM E1545

Scope

1.1 This test method covers procedures for the assignment of the glass transition temperature of materials on heating using thermomechanical measurements under prescribed experimental conditions.

1.2 This test method is applicable to amorphous or to partially crystalline materials that are sufficiently rigid below the glass transition to inhibit indentation by the sensing probe.

1.3 The normal operating temperature range is from -100 to 600°C. This temperature range may be extended depending upon the instrumentation used.

1.4 Computer- or electronic-based instruments, techniques, or data treatment equivalent to this test method may also be used. Users of this test method are expressly advised that all such instruments or techniques may not be equivalent. It is the responsibility of the user of this test method to determine the necessary equivalency prior to use. In the case of dispute, only the manual procedures are to be considered valid.

1.5 The values stated in SI units are to be regarded as the 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 7.

Keywords

glass transition Tg; linear thermal expansion; softening point Ts; thermodilatometry; thermomechanical analysis (TMA)

ICS Code

ICS Number Code 81.040.01 (Glass in general)

DOI: 10.1520/E1545-00

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