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Normas DIN – AENOR
DIN EN ISO 8994:2011-06

DIN EN ISO 8994:2011-06

Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Grid method (ISO 8994:2011); German version EN ISO 8994:2011

Anodisation de l'aluminium et de ses alliages - Système de cotation de la corrosion par piqûres - Méthode par quadrillage (ISO 8994:2011); Version allemande EN ISO 8994:2011

Anodisieren von Aluminium und Aluminiumlegierungen - Bewertungssystem für Lochkorrosion - Rasterzählmethode (ISO 8994:2011); Deutsche Fassung EN ISO 8994:2011

Fecha Anulación:
2019-03 /Withdrawn
Equivalencias internacionales:

EN ISO 8994 (2011-03)

ISO 8994 (2011-03)

Relación con otras normas DIN:

Reemplaza a: DIN EN ISO 8994:2009-07

Reemplazada por: DIN EN ISO 8994:2019-03

Reemplaza a: DIN EN 12373-19:2001-10

Resumen:
This document specifies a grid rating system that provides a means of defining levels of performance of anodic oxidation coatings on aluminium and its alloys that have been subjected to corrosion tests. This rating system is applicable to pitting corrosion resulting from - accelerated tests, - exposure to corrosive environments, and - practical service tests. This document takes into account only pitting corrosion of the basis metal resulting from penetration of the protective anodic oxidation coating. NOTE 1: ISO 8993 describes a similar rating system based on defined chart scales. NOTE 2: The grid rating system is frequently used for rating the results of short-term corrosion tests relatively thin anodic oxidation coating, such as those used in the automotive industry.
Keywords:
Alloys, Aluminium, Aluminium alloys, Anodic, Anodic coating, Anodic oxidation, Coatings, Corrosion, Corrosion tests, Counting, Definitions, Electrical, Evaluations, Grid systems, Inspection, Measurement, Measuring techniques, Non-ferrous metals, Non-metallic coatings, Oxide coatings, Pitting corrosion, Protective coat, Surface treatment, Surfaces, Test equipment, Testing, Voltage, Weighting system
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