ISO-2931 › Historical Revision Information
Anodizing of aluminium and its alloys - Assessment of quality of sealed anodic oxide coatings by measurement of admittance or impedance

ISO-2931 - 2ND EDITION - SUPERSEDED
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ISO 2931:2010 specifies a method for assessing the quality of sealed anodic oxidation coatings on aluminium and its alloys by measurement of the admittance.

The method is applicable to anodic oxidation coatings sealed in an aqueous medium.

The method is suitable for use as a production-control test and as an acceptance test where there is agreement between the supplier and the customer.

Any type of anodized component can be tested by the method described, provided that there is a sufficient area (a circle of diameter about 20 mm ) and that the film thickness is greater than 3 µm.

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25.220.20 (Surface treatment Including anodization, conversion coating, thermal spraying, etc.)

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Document Number

ISO 2931:1983

Revision Level

2ND EDITION

Status

Superseded

Publication Date

July 15, 1983

Committee Number

ISO/TC 79/SC 2