ISO 23449:2020

Current Revision
Corrosion of metals and alloys - Multielectrode arrays for corrosion measurement

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ISO 23449:2020

Corrosion of metals and alloys - Multielectrode arrays for corrosion measurement

PUBLISH DATE 2020
ISO 23449:2020

This document specifies the methodology of using multielectrode arrays for the measurement of corrosion, especially localized corrosion, of metals and alloys. It can be used as a powerful tool for studying the initiation and propagation processes of localized corrosion.

It is also a useful tool for long-term corrosion monitoring in the field, especially for localized corrosion, and for obtaining high throughput results for the evaluation of metals with different compositions and/or physical properties in different environments and the screening of a large number of inhibitors.

Additionally, the galvanic coupling current and potential distribution of dissimilar metal pairings can be assessed by multielectrode arrays.

Multielectrode arrays can be implemented in full-immersion, thin-film, spray, and alternating wet–dry cycle exposures.

This document is not intended to be used for measurements of corrosion caused by a non-electrochemical mechanism.

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