ASTM B 490 Standard Practice for Micrometer Bend Test for Ductility of Electrodeposits
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ASTM B 490 Document Information:
Title
Standard Practice for Micrometer Bend Test for Ductility of Electrodeposits
ASTM International
Publication Date:
Oct 30, 1992
Scope:
This practice describes a procedure for measuring the ductility
of electrodeposited foils.2
This practice is suitable only for the evaluation of
electrodeposits having low ductility.
The obtained ductility values must only be considered
semi-quantitative because this test has a significant operator
dependence.
This practice is best used for in-house process control where
measurements are always made by the same operator. A change in
ductility value can be used as an indication of possible changes in
the electroplating solution.
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 the safety
problems, 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 of this test see Mohrnheim, A. F.,
"The Bend Test for Measuring the Strain Limit of Surfaces,"
Plating, Vol 50, 1963, pp. 1094–1099.
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