DIN EN ISO 13805-2009 Vitreous and porcelain enamels for aluminium - Determination of the adhesion of enamels on aluminium under the action of electrolytic solution (spall test) (I.pdf

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1、April 2009DEUTSCHE NORM English price group 6No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 25.220.50!$W,“1520988www.

2、din.deDDIN EN ISO 13805Vitreous and porcelain enamels for aluminium Determination of the adhesion of enamels on aluminium under theaction of electrolytic solution (spall test) (ISO 13805:1999)English version of DIN EN ISO 13805:2009-04Aluminium-Emails Bestimmung der Haftung von Aluminium-Emails unte

3、r Einwirkung von Elektrolytlsungen(ISO 13805:1999)Englische Fassung DIN EN ISO 13805:2009-04SupersedesDIN ISO 13805:2000-11www.beuth.deDocument comprises 9 pagesDIN EN ISO 13805:2009-04 2 National foreword This standard has been prepared by Technical Committee ISO/TC 107 “Metallic and other inorgani

4、c coatings” in collaboration with Technical Committee CEN/TC 262 “Metallic and other inorganic coatings” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Materialprfung (Materials Testing Standards Committee), Technical Committee NA

5、062-01-63 AA Prfung von Emails und Emaillierungen. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 3819 DIN 12331 ISO 4788 DIN EN ISO 4788 ISO 13804 DIN EN 15206 Clauses 2 and 3 of ISO 13805:1999, and thus of EN ISO 13805:2009, contain

6、incorrect normative references: ISO 10141 (see Clauses 2 and 3) has never been published. Since the only reference to ISO 10141 is in Clause 3 reading terms and definitions, this error has no impact on the use of this standard. The reference to ISO 13805 in Clause 2 is incorrect: The number should r

7、ead “ISO 13804”, the title given is that for ISO 13804. Amendments This standard differs from DIN ISO 13805:2000-11 as follows: a) The standard has been editorially revised. Previous editions DIN 51173: 1986-10 DIN ISO 13805: 2000-11 National Annex NA (informative) Bibliography DIN 12331, Laboratory

8、 glassware Beakers DIN EN ISO 4788, Laboratory glassware Graduated measuring cylinders DIN EN 15206, Vitreous and porcelain enamels Production of specimens for testing enamel on sheet steel, sheet aluminium and cast iron EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 13805January 2009ICS 25.2

9、20.50English VersionVitreous and porcelain enamels for aluminium - Determination ofthe adhesion of enamels on aluminium under the action ofelectrolytic solution (spall test) (ISO 13805:1999)maux vitrifis dposs sur laluminium - Dtermination deladhrence laide dun lectrolyte (essai dcaillage) (ISO13805

10、:1999)Aluminium-Emails - Bestimmung der Haftung vonAluminium-Emails unter Einwirkung von Elektrolytlsungen(ISO 13805:1999)This European Standard was approved by CEN on 13 December 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving

11、 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 CEN Management Centre or to any CEN member.This European Standard exists in three official versions

12、 (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 CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulga

13、ria, 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 STANDARDIZAT

14、IONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 13805:2009: EContents Page 1 2 3 4 5 6 7 8 Foreword .3 Tes

15、t Report .7 Expression of results 7 9 Procedure .7 10 11 EN ISO 13805:2009 (E) 2DIN EN ISO 13805:2009-04 Instroduction 4 Scope5 Normative references5 Terms and definitions .5 Principle .5 Designation 5 Apparatus 6 Reagents 6 Specimen .6 Foreword The text of ISO 13805:1999 has been prepared by Techni

16、cal Committee ISO/TC 107 “Metallic and other inorganic coatings” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 13805:2009 by Technical Committee CEN/TC 262 “Metallic and other inorganic coatings” the secretariat of which is held by BSI. This European S

17、tandard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2009, and conflicting national standards shall be withdrawn at the latest by July 2009. Attention is drawn to the possibility that some of the elements of thi

18、s 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. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Stan

19、dard: Austria, Belgium, Bulgaria, 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.

20、 Endorsement notice The text of ISO 13805:1999 has been approved by CEN as a EN ISO 13805:2009 without any modification. EN ISO 13805:2009 (E) 3DIN EN ISO 13805:2009-04 IntroductionThe spalling of porcelain enamelled aluminium, a defect characterized by separation of the porcelain enamel fromthe alu

21、minium base material, is caused by poor adhesion. The spall test is therefore capable of controlling thequality of the enamelling process including the enamel formulation, the preparation of the base metal prior toenamelling, the application and firing procedures, and the aluminium alloy selected fo

22、r enamelling.EN ISO 13805:2009 (E) 4DIN EN ISO 13805:2009-04 1 ScopeThis International Standard specifies a test method for the accelerated determination of the resistance of porcelainenamel coatings on aluminium and aluminium alloys to spalling as a result of exposure to moisture or weathering.Beca

23、use spalling is caused by the lack of adhesion between the coating and the base metal, the spall test is a testof adhesion. The greater the extent of spalling in this test, the greater the likelihood that the article will spall inservice.2 Normative referencesThe following normative documents contai

24、n provisions which, through reference in this text, constitute provisions ofthis International Standard. For dated references, subsequent amendments to, or revisions of, any of thesepublications do not apply. However, parties to agreements based on this International Standard are encouraged toinvest

25、igate the possibility of applying the most recent editions of the normative document indicated below. Forundated references, the latest edition of normative document referred to applies. Members of ISO and IEC maintainregisters of currently valid International Standards.IS0 3819, Laboratory glasswar

26、e Beakers.ISO 4788, Laboratory glassware Graduated measuring cylinders.ISO 13805, Vitreous and porcelain enamels on aluminium Production of specimens for testing.3 Terms and definitions4 PrincipleA scored enamelled aluminium specimen is exposed to an aqueous test solution consisting of antimony tric

27、hloride,SbCl3, having a concentration of 10 g/I, at an ambient temperature of 18 OC to 28 OC for 20 h.5 DesignationThe test method for the determination of the adhesion of enamel coatings on aluminium and aluminium alloys bymeans of the spall test described in this International Standard shall be de

28、signated as follows:Test ISO 13805ISO 10141, Vitreous and porcelain enamels Vocabulary .apply.For the purposes of this International Standard, the terms and definitions given in ISO 10141 N1)N1)N1)National footnote: See National foreword. EN ISO 13805:2009 (E) 5DIN EN ISO 13805:2009-04 6 Apparatus6.

29、1 Balance.6.2 Graduate measuring cylinder, with a capacity of 1 000 ml in accordance with ISO 4788.6.3 Beaker, in accordance with ISO 3819 or plastic vessel of suitable size.6.4 Plastic or glass hook, or stand, for holding the specimen in the test solution.6.5 Viscose sponge.6.6 File.6.7 Steel needl

30、e.7 Reagents7.1 Test solutionThe test solution shall be an aqueous solution of technical grade antimony trichloride, SbCl3, with a concentration of10 g/l.Prepare the test solution by dissolving 10 g of antimony trichloride, SbCl3, in 1 000 ml of distilled or demineralizedwater and stir continuously.

31、NOTE Hydrochloric acid and a white precipitate consisting of a mixture of antimonious oxychloride, SbOCl, and antimonytrioxide, Sb2O3, will be formed. The precipitate is an integral part of the test solution.Antimony trichloride is hygroscopic. Therefore keep it in sealed containers. Do not use mois

32、t or wet antimonytrichloride.Prepare a fresh solution for each test on the same day as it is to be used.7.2 Cleaning solutionThe cleaning solution shall be a sodium n-alkyl (C10-C13) benzene sulphonate with a concentration of activesubstance of 0,1 % dissolved in distilled or demineralized water.8 S

33、pecimen8.1 SelectionThe specimen may be a commercially available article or a part of it. Alternatively, it may be a specially preparedspecimen in accordance with ISO 13804.8.2 PreparationPrepare at least one cut edge of the specimen immediately prior to the test. The angle between the cut edge andt

34、he surface of the specimen shall be approximately 90O. If required, refinish the cut edge with a file (6.6) where thefiling direction shall be from enamel to metal. Wet the cut edge completely with the test solution (7.1) along its wholelength.Score a cross along the whole specimen surface using the

35、 steel needle (6.7) such that it extends to the base metal.EN ISO 13805:2009 (E) 6DIN EN ISO 13805:2009-04 8.3 CleaningThe specimen shall be clean and free of grease or similar impurities which may affect the test results. Thereforeimmerse the specimen in the cleaning solution (7.2) at a temperature

36、 of about 40 oC for approximately 3 min. Rinseit in tap water and then in distilled or demineralized water.9 ProcedureThe quantity of test solution depends on the size of the specimen and shall be at least 3 ml for each cm2of surfacearea.Immerse the specimen completely in the test solution (7.1) in

37、a beaker or plastic vessel of suitable size (6.3) for20 h, suspending the specimen by a plastic or glass hook or by means of a stand (6.4). During this time the ambienttemperature shall be between 18 OC and 28 OC.The test solution (7.1) shall not come into contact with any metal other than the speci

38、men.After the 20 h test period, take the specimen out of the test solution (7.1), rinse it in water and clean it with theviscose sponge (6.5) to remove loose fragments of enamel. Then dry the specimen in air.10 Expression of resultsExamine each specimen visually from a distance of 250 mm. Describe t

39、he following types of damage in the testreport (see clause 11):a) any spall area where the basis metal is visible, that is located more than 3 mm from the edge or score mark,and that is longer than 25 mm;b) any spall area on the specimen surface not touching an edge or a score mark, that is greater

40、than 10 mm2;c) more than one spall area (even if individual areas are less than 10 mm2) per dm2of the surface area,disregarding pinholes.11 Test reportThe test report shall include the following information:a) the type of specimen;b) reference to this Intemational Standard, i.e., determined according to Test ISO 13805;c) the type of damage that occurred, according to the criteria specified in clause 10.EN ISO 13805:2009 (E) 7DIN EN ISO 13805:2009-04