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ASTM D6744-23

Current Revision

Standard Test Method for Determination of the Thermal Conductivity of Anode Carbons by the Guarded Heat Flow Meter Technique

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1.1 This test method covers a steady-state technique for the determination of the thermal conductivity of carbon materials in thicknesses of less than 25 mm. The test method is useful for homogeneous materials having a thermal conductivity in the approximate range 1< λ < 30 W/(m·K), (thermal resistance in the range from 10 to 400 × 10−4 m2 ·K/W) over the approximate temperature range from 150 K to 600 K. It can be used outside these ranges with reduced accuracy for thicker specimens and for thermal conductivity values up to 60 W/(m·K).

Note 1: It is not recommended to test graphite cathode materials using this test method. Graphites usually have a very low thermal resistance, and the interfaces between the specimen to be tested and the instrument become more significant than the specimen itself.

1.2 This test method is similar in concept to Test Methods E1530 and C518. Significant attention has been paid to ensure that the thermal resistance of contacting surfaces is minimized and reproducible.

1.3 The values stated in SI units are regarded as standard.

1.3.1 Exception—The values given in parentheses are for information only.

1.4 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.

1.5 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.


5.1 This test method is designed to measure and compare thermal properties of materials under controlled conditions and their ability to maintain required thermal conductance levels.

SDO ASTM: ASTM International
Document Number D6744
Publication Date Nov. 1, 2023
Language en - English
Page Count 7
Revision Level 23
Supercedes
Committee D02.05
Publish Date Document Id Type View
Nov. 1, 2023 D6744-23 Revision
May 1, 2011 D6744-06R11E01 Revision
Jan. 1, 2006 D6744-06 Revision
Dec. 10, 2001 D6744-01 Revision
Jan. 1, 2017 D6744-06R17E01 Reaffirmation
May 1, 2011 D6744-06R11 Reaffirmation