ASTM-C839 › Standard Test Method for Compressive Stress of Porcelain Enamels by Loaded-Beam Method
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1.1 This 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.
1.2 This 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.
1.3 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.
Compression testing-coatings; Loading tests; Porcelain enamel products; compressive stress-porcelain enamels, by loaded-beam method, test; ICS Number Code 25.220.50 (Enamels)
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1982 R20 EDITION
Dec. 8, 2020