SIST EN ISO 8994:2012
(Main)Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Grid method (ISO 8994:2011)
Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Grid method (ISO 8994:2011)
This International Standard 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 International Standard takes into account only pitting corrosion of the basis metal resulting from penetration of the protective anodic oxidation coating.
Anodisieren von Aluminium und Aluminiumlegierungen - Bewertungssystem für Lochkorrosion - Rasterzählmethode (ISO 8994:2011)
Diese Internationale Norm legt ein Rasterbewertungssystem fest, das es ermöglicht, die Gebrauchstauglichkeit
von anodisch erzeugten Oxidschichten auf Aluminium und Aluminiumlegierungen zu bestimmen,
die Korrosionsprüfungen unterworfen wurden.
Das Bewertungssystem ist auf Lochkorrosion anwendbar, die auftritt nach
- Schnellkorrosionsversuchen,
- Bewitterung durch korrosive Umgebungen, und
- praktischen Gebrauchsprüfungen.
Diese Internationale Norm berücksichtigt nur die Lochkorrosion des Grundmetalls, die aus der Durchdringung
der anodisch erzeugten Oxidschicht resultiert.
ANMERKUNG 1 ISO 8993[3] beschreibt ein ähnliches Bewertungssystem auf Basis der Richtreihenmethode.
ANMERKUNG 2 Dieses System dient häufig zur Bewertung der Ergebnisse von Schnellkorrosionsprüfungen an relativ
dünnen anodisch erzeugten Schichten, die in der Kraftfahrzeugindustrie angewendet werden.
Anodisation de l'aluminium et de ses alliages - Système de cotation de la corrosion par piqûres - Méthode par quadrillage (ISO 8994:2011)
L'ISO 8994:2011 spécifie un système de cotation par quadrillage qui permet de définir des niveaux de performance des couches anodiques déposées sur l'aluminium et ses alliages, soumises à des essais de corrosion.
Ce système de cotation s'applique à la corrosion par piqûres résultant
d'essais accélérés,
de l'exposition à des milieux corrosifs, et
d'essais pratiques en service.
L'ISO 8994:2011 ne tient compte que de la corrosion par piqûres du métal de base résultant de la pénétration de la couche anodique de protection.
Aluminij in aluminijeve zlitine - Ocenjevalni sistem za vrednotenje jamičaste korozije - Rastrska metoda (ISO 8994:2011)
Ta mednarodni standard določa rastrski ocenjevalni sistem, ki zagotavlja način določevanja ravni učinkovitosti anodno oksidiranih prevlek na aluminiju in njegovih zlitinah, ki so bile predmet korozijskih preskusov. Ta ocenjevalni sistem se uporablja za jamičasto korozijo, ki izhaja iz ? pospešenih preskusov, ? izpostavljenosti korozivnim okoljem, in ? praktičnih preskusov med delovanjem. Ta mednarodni standard upošteva samo jamičasto korozijo osnovne kovine, ki izhaja iz penetracije zaščitne anodno oksidirane plasti.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 8994:2012
01-januar-2012
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SIST EN 12373-19:2002
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Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting
corrosion - Grid method (ISO 8994:2011)
Anodisieren von Aluminium und Aluminiumlegierungen - Bewertungssystem für
Lochkorrosion - Rasterzählmethode (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)
Ta slovenski standard je istoveten z: EN ISO 8994:2011
ICS:
25.220.20 Površinska obdelava Surface treatment
77.120.10 Aluminij in aluminijeve zlitine Aluminium and aluminium
alloys
SIST EN ISO 8994:2012 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN ISO 8994:2012
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SIST EN ISO 8994:2012
EUROPEAN STANDARD
EN ISO 8994
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2011
ICS 77.060; 25.220.20 Supersedes EN 12373-19:2001
English Version
Anodizing of aluminium and its alloys - Rating system for the
evaluation of pitting corrosion - Grid method (ISO 8994:2011)
Anodisation de l'aluminium et de ses alliages - Système de Anodisieren von Aluminium und Aluminiumlegierungen -
cotation de la corrosion par piqûres - Méthode par Bewertungssystem für Lochkorrosion - Rasterzählmethode
quadrillage (ISO 8994:2011) (ISO 8994:2011)
This European Standard was approved by CEN on 28 February 2011.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same
status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2011 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 8994:2011: E
worldwide for CEN national Members.
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SIST EN ISO 8994:2012
EN ISO 8994:2011 (E)
Contents Page
Foreword .3
2
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SIST EN ISO 8994:2012
EN ISO 8994:2011 (E)
Foreword
This document (EN ISO 8994:2011) has been prepared by Technical Committee ISO/TC 79 "Light metals and
their alloys" in collaboration with Technical Committee CEN/TC 132 “Aluminium and aluminium alloys” the
secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by September 2011, and conflicting national standards shall be
withdrawn at the latest by September 2011.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 12373-19:2001.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of ISO 8994:2011 has been approved by CEN as a EN ISO 8994:2011 without any modification.
3
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SIST EN ISO 8994:2012
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SIST EN ISO 8994:2012
INTERNATIONAL ISO
STANDARD 8994
Second edition
2011-03-01
Anodizing of aluminium and its alloys —
Rating system for the evaluation of
pitting corrosion — Grid method
Anodisation de l'aluminium et de ses alliages — Système de cotation de
la corrosion par piqûres — Méthode par quadrillage
Reference number
ISO 8994:2011(E)
©
ISO 2011
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SIST EN ISO 8994:2012
ISO 8994:2011(E)
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SIST EN ISO 8994:2012
ISO 8994:2011(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of p
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