Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM C839-82(2005)

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

Standard Test Method for Compressive Stress of Porcelain Enamels by Loaded-Beam Method C0839-82R05 ASTM|C0839-82R05|en-US Standard Test Method for Compressive Stress of Porcelain Enamels by Loaded-Beam Method Standard new BOS Vol. 02.05 Committee B08
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Significance and Use

All porcelain enamel coatings or glass coatings are by necessity under some degree of compression at room temperature. The desired degree of compression or stress depends upon the type of ware and the end use of the item. Some method of determining relative compressive stress of enamels is necessary to establish the suitability of an enamel for a proposed application.

Scope

1.1 This test method covers the measurement of the compressive stresses (Note 0) developed by fired porcelain enamels using the loaded-beam method. Note 0Although 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.

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

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.

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Details
Book of Standards Volume: 02.05
Developed by Subcommittee: B08.12
Pages: 7
DOI: 10.1520/C0839-82R05
ICS Code: 25.220.50