ASTM-D6745 2022(Redline)

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D6745-22 Standard Test Method for Linear Thermal Expansion of Electrode Carbons (Redline)

Published By	Publication Date	Number of Pages
ASTM	2022	9

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Category: ASTM

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Description

ASTM D6745-22

Redline Standard: Standard Test Method for Linear Thermal Expansion of Electrode Carbons

ASTM D6745

Scope

1.1 This test method covers the determination of the coefficient of linear thermal expansion (CTE) for carbon anodes and cathodes used in the aluminum industry, in baked form, by use of a vitreous silica dilatometer.

1.2 The applicable temperature range for this test method for research purposes is ambient to 1000 °C. The recommended maximum use temperature for product evaluation is 500 °C.

1.3 This test method and procedure is based on Test Method E228, which is a generic all-encompassing method. Specifics dictated by the nature of electrode carbons and the purposes for which they are used are addressed by this procedure.

1.4 Electrode carbons in the baked form will only exhibit primarily reversible dimensional changes when heated.

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.

Keywords

aluminum industry; anode; carbon; cathode; coefficient of thermal expansion (CTE); thermal expansion;

ICS Code

ICS Number Code 19.060 (Mechanical testing)

DOI: 10.1520/D6745-22

Additional information

Standard Title	D6745-22 Standard Test Method for Linear Thermal Expansion of Electrode Carbons (Redline)
Published Code	ASTM
Publication Date	2022
Pages Count	9