ASTM-B636 › Standard Test Method for Measurement of Internal Stress of Plated Metallic Coatings with the Spiral Contractometer
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1.1 This test method covers the use of the spiral contractometer for measuring the internal stress of metallic coatings as produced from plating solutions on a helical cathode. The test method can be used with electrolytic and autocatalytic deposits.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
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.
internal deposit stress test; metallic deposit ;; ICS Number Code 25.220.40 (Metallic coatings)
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Dec. 15, 2015