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BSI BS EN ISO 2931:2018

Anodizing of aluminium and its alloys. Assessment of quality of sealed anodic oxidation coatings by measurement of admittance
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BSI BS EN ISO 2931:2018

Anodizing of aluminium and its alloys. Assessment of quality of sealed anodic oxidation coatings by measurement of admittance

PUBLISH DATE 2018
PAGES 14
BSI BS EN ISO 2931:2018

This document 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.

NOTE 1 Results obtained from anodic oxidation coatings sealed by different methods, e.g. hydrothermal sealing and cold sealing, are not necessarily comparable.

NOTE 2 Results obtained from anodic oxidation coatings on alloys containing more than 2 % silicon or 5 % manganese or 3 % magnesium are not comparable with results obtained from anodic oxidation coatings on more dilute alloys.

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

SDO BSI: British Standards Institution
Document Number ISO 2931
Publication Date Feb. 21, 2018
Language en - English
Page Count 14
Revision Level
Supercedes
Committee STI/33
Publish Date Document Id Type View
Feb. 21, 2018 BS EN ISO 2931:2018 Revision
Aug. 31, 2010 BS EN ISO 2931:2010 Revision