ASTM G 71 Standard Guide for Conducting and Evaluating Galvanic Corrosion Tests in Electrolytes

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ASTM G 71 Document Information:

Title
Standard Guide for Conducting and Evaluating Galvanic Corrosion Tests in Electrolytes

ASTM International

Publication Date:
Jan 1, 1981

Scope:

This guide covers conducting and evaluating galvanic corrosion tests to characterize the behavior of two dissimilar metals in electrical contact in an electrolyte under low-flow conditions. It can be adapted to wrought or cast metals and alloys.

This guide covers the selection of materials, specimen preparation, test environment, method of exposure, and method for evaluating the results to characterize the behavior of galvanic couples in an electrolyte.

NOTE 1 - Additional information on galvanic corrosion testing and examples of the conduct and evaluation of galvanic corrosion tests in electrolytes are given in Refs (1)(Footnote 2) through (7).

Footnote 2 - The boldface numbers in parentheses refer to the list of references at the end of the 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.

Keywords:

corosion

dissimilar metals

galvanic corrosion

galvanic couple

zero resistance ammeter

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