Standard Test Method for Compressive Stress of Porcelain Enamels by Loaded-Beam Method

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Hardcopy , PDF

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English

Published date

08-12-2020

Publisher

American Society for Testing and Materials

Committee	B 08
DocumentType	Test Method
Pages	7
PublisherName	American Society for Testing and Materials
Status	Current
Supersedes	ASTM C 839 : 1982 : R2015

1.1This test method covers the measurement of the compressive stresses (Note 1) developed by fired porcelain enamels using the loaded-beam method.

Note 1:Although some may interpret the calculations that are used in this test method as indicating compressive load, it is commonly referred to as compressive stress within the porcelain enamel industry.

1.2This test method is limited to the use of the loaded-beam method. However, this method includes charts (Fig. 1 and Fig. 2) that provide for conversion of loaded-beam test results to warp and ring stress values.

FIG. 2 Conversion Chart for Loaded-Beam Stress to Ring Stress

1.3The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4This 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.

1.5This 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.

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ASTM C 839 : 1982 : R2020

Standard Test Method for Compressive Stress of Porcelain Enamels by Loaded-Beam Method

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