EN ISO 2177:2004
(Main)Metallic coatings - Measurement of coating thickness - Coulometric method by anodic dissolution (ISO 2177:2003)
Metallic coatings - Measurement of coating thickness - Coulometric method by anodic dissolution (ISO 2177:2003)
ISO 2177:2002 describes a coulometric method by anodic dissolution for measuring the thickness of metallic coatings. It is only applicable to conductive coatings.
Typical combinations of coatings and substrates that can be tested by this method are given. Other combinations may be tested with electrolytes in current use, or new electrolytes may be developed for them but, in both cases, it is necessary to verify the suitability of the complete system.
ISO 2177:2002 is also applicable to multi-layer systems, e.g Cu-Ni-Cr. It may be used to measure the thickness of coatings applied by various means, if due account is taken of special features such as the presence of an alloy layer. In some cases, the presence and thickness of diffusion layers can also be measured. It can also be used to measure the thickness of coatings on cylindrical specimens and wires.
Metallische Überzüge - Schichtdickenmessung - Coulometrisches Verfahren durch anodisches Ablösen (ISO 2177:2003)
Diese internationale Norm beschreibt ein coulometrisches Verfahren, bei dem durch anodisches Ablösen die Dicke metallischer Schichten gemessen wird.
Typische Systeme von Schicht- und Substratwerkstoffen, die nach diesem Verfahren gemessen werden können, sind in Tabelle 1 angegeben.
Andere Kombinationen können mit gebräuchlichen Elektrolyten (siehe Anhang A) gemessen werden oder es können neue Elektrolyte dafür entwickelt werden. In beiden Fällen ist es jedoch notwendig, die Eignung des Gesamtsystems zu überprüfen.
Die Norm ist auch für Mehrschichtsysteme, z. B. Cu/Ni/Cr, anwendbar (siehe auch 8.5).
Das Verfahren kann zur Messung der Dicke von Schichten eingesetzt werden, die auf verschiedene Weise aufgebracht wurden, wenn spezielle Eigenschaften (wie z. B. durch eine vorhandene Legierungsschicht) berücksichtigt werden. In einigen Fällen kann auch das Vorhandensein und die Dicke von Diffusionsschichten gemessen werden. Es sind auch Schichtdickenmessungen an zylindrischen Proben und Drähten möglich (siehe 8.7).
Revêtements métalliques - Mesurage de l'épaisseur - Méthode coulométrique par dissolution anodique (ISO 2177:2003)
L'ISO 2177:2002 décrit une méthode coulométrique de mesurage, par dissolution anodique, de l'épaisseur des revêtements métalliques. Elle n'est applicable qu'aux dépôts conducteurs.
Elle donne des combinaisons types de dépôts et de métaux de base qui peuvent être mesurés selon cette méthode. D'autres combinaisons peuvent être essayées avec des électrolytes d'usage courant, ou avec de nouveaux électrolytes mis au point à cet effet mais il est, dans les deux cas, nécessaire de vérifier l'aptitude à l'emploi du système complet.
L'ISO 2177:2002 est également applicable aux systèmes multicouches, par exemple Cu-Ni-Cr. Elle peut aussi être utilisée pour mesurer l'épaisseur de revêtements appliqués par divers moyens, s'il est tenu compte des particularités telles que la présence d'une couche d'alliage. Dans certains cas, il est également possible de déceler la présence et de mesurer l'épaisseur de couches de diffusion. Elle peut enfin être utilisée pour mesurer l'épaisseur des revêtements déposés sur des échantillons cylindriques et des fils.
Kovinske prevleke - Merjenje debeline prevleke - Kulometrična metoda z anodnim raztapljanjem (ISO 2177:2003)
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Metallische Überzüge - Schichtdickenmessung - Coulometrisches Verfahren durch anodisches Ablösen (ISO 2177:2003)Revetements métalliques - Mesurage de l'épaisseur - Méthode coulométrique par dissolution anodique (ISO 2177:2003)Metallic coatings - Measurement of coating thickness - Coulometric method by anodic dissolution (ISO 2177:2003)25.220.40Kovinske prevlekeMetallic coatingsICS:Ta slovenski standard je istoveten z:EN ISO 2177:2004SIST EN ISO 2177:2004en01-september-2004SIST EN ISO 2177:2004SLOVENSKI
STANDARDSIST EN ISO 2177:19991DGRPHãþD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN ISO 2177May 2004ICS 25.220.40Supersedes EN ISO 2177:1994English versionMetallic coatings - Measurement of coating thickness -Coulometric method by anodic dissolution (ISO 2177:2003)Revêtements métalliques - Mesurage de l'épaisseur -Méthode coulométrique par dissolution anodique (ISO2177:2003)Metallische Überzüge - Schichtdickenmessung -Coulometrisches Verfahren durch anodisches Ablösen(ISO 2177:2003)This European Standard was approved by CEN on 1 April 2004.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2004 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 2177:2004 ESIST EN ISO 2177:2004
Normative references to International Standards are listed in Annex ZA (normative).SIST EN ISO 2177:2004
Reference numberISO 2177:2003(E)© ISO 2003
INTERNATIONAL STANDARD ISO2177Third edition2003-03-15Metallic coatings — Measurement of coating thickness —Coulometric method by anodic dissolution Revêtements métalliques — Mesurage de l'épaisseur — Méthode coulométrique par dissolution anodique
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ii © ISO 2003 — All rights reserved
ISO 2177:2003(E) © ISO 2003 — All rights reserved iii Contents Page Foreword.iv 1 Scope.1 2 Normative references.1 3 Terms and definitions.1 4 Principle.2 5 Instrumentation.2 6 Electrolyte.2 7 Factors affecting the measuring accuracy.3 7.1 Coating thickness.3 7.2 Current variation.3 7.3 Area variation.3 7.4 Agitation (if required).4 7.5 Alloy layer between coating and substrate.4 7.6 Purity of coatings.4 7.7 Condition of test surface.4 7.8 Density of coating material.4 7.9 Cleanliness of the cell.4 7.10 Cleanliness of electrical connections.4 7.11 Calibration standards (if used).4 7.12 Non-uniform dissolution.5 8 Procedure.5 8.1 General.5 8.2 Preparation of test surface.5 8.3 Cell application.5 8.4 Electrolysis.5 8.5 Undercoats.5 8.6 Examination after test.6 8.7 Coatings on cylindrical specimens.6 9 Expression of results.6 10 Measurement uncertainty.7 11 Test report.7 Annex A (informative)
Typical electrolytes.8 Annex B (informative)
Types of instrument.13
ISO 2177:2003(E) iv © ISO 2003 — All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 2177 was prepared by Technical Committee ISO/TC 107, Metallic and other inorganic coatings, Subcommittee SC 2, Test methods. This third edition cancels and replaces the second edition (ISO 2177:1985), which has been technically revised.
INTERNATIONAL STANDARD ISO 2177:2003(E) © ISO 2003 — All rights reserved 1 Metallic coatings — Measurement of coating thickness — Coulometric method by anodic dissolution 1 Scope This International Standard describes a coulometric method, by anodic dissolution, for measuring the thickness of metallic coatings. It is only applicable to conductive coatings. Typical combinations of coatings and substrates that can be tested by this method are given in Table 1. Other combinations may be tested with electrolytes in current use (see Annex A), or new electrolytes may be developed for them but, in both cases, it is necessary to verify the suitability of the complete system. This International Standard is also applicable to multi-layer systems, e.g Cu-Ni-Cr (see also 8.5). It may be used to measure the thickness of coatings applied by various means, if due account is taken of special features such as the presence of an alloy layer. In some cases, the presence and thickness of diffusion layers can also be measured. It can also be used to measure the thickness of coatings on cylindrical specimens and wires (see 8.7). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 2064:1996, Metallic and other inorganic coatings — Definitions and conventions concerning the measurement of thickness ISO 2080, Surface treatment, metallic and other inorganic coatings — Vocabulary 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 2064 and ISO 2080 as well as the following apply. 3.1 measuring area area of the significant surface over which a single measurement is ma
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