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ASTM B489 1985 Edition, March 29, 1985
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Standard Practice for Bend Test for Ductility of Electrodeposited and Autocatalytically Deposited Metal Coatings on Metals
Includes all amendments and changes through Reapproval Notice , 2013
Page Count:3
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This practice covers a test procedure for determining the ductility of electrodeposited and autocatalytically deposited coatings on sheet or strip basis metals. The purpose of the test is to determine the resistance of metal coatings to cracking during distortion.2

Test Methods E8 can be used if the coatings are too ductile and require mandrels too small to be practical.

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.

2 For a discussion and theory for this test see Mohrnheim, A. F., "The Bend Test for Measuring the Strain Limit of Surfaces," Plating, Vol 50, 1963, pp. 1094 – 1099.