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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 13805:9 ICS 25.
2、220.50 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Vitreous and porcelain enamels for aluminium Determination of the adhesion of enamels on aluminium under the action of electrolytic solution (spall test) 200 Licensed CopyChinese University of Hong Kong, 13/06/2009 08:00,
3、Uncontrolled Copy, (c) BSI This British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 January 2000 BSI BSISO 13805:9 Amendments issued since publication
4、National foreword The UK participation in its preparation was entrusted to Technical Committee STI/36, Vitreous enamel coatings. A list of organizations represented on this committee can be obtained on request to its secretary. Compliance with a British Standardconfer immunity from legal obligations
5、. EN 200 cannot This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. This British Standard is the UK implementation of EN ISO 13805:2009. It is identical with ISO 13805:1999. It supersedes BS ISO 13805:1999 which
6、is withdrawn. 2009 ISBN 978 0 580 63559 5 Date Comments This corrigendum renumbers BS ISO 13805:1999 as BS EN ISO 13805:2009 31 May 2009 Licensed CopyChinese University of Hong Kong, 13/06/2009 08:00, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 13805 January 2
7、009 ICS 25.220.50 English Version Vitreous and porcelain enamels for aluminium - Determination of the adhesion of enamels on aluminium under the action of electrolytic solution (spall test) (ISO 13805:1999) maux vitrifis dposs sur laluminium - Dtermination de ladhrence laide dun lectrolyte (essai dc
8、aillage) (ISO 13805:1999) Aluminium-Emails - Bestimmung der Haftung von Aluminium-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 t
9、he 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 Management Centre or to any CEN member. This European Standard exists
10、 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 Management Centre has the same status as the official versions. CEN members are the national standards bod
11、ies of 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 United Kingdom. EU
12、ROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2009 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 13805:2009: E License
13、d CopyChinese University of Hong Kong, 13/06/2009 08:00, Uncontrolled Copy, (c) BSI EN ISO 13805:2009 (E) Foreword The text of ISO 13805:1999 has been prepared by Technical Committee ISO/TC 107 “Metallic and other inorganic coatings” of the International Organization for Standardization (ISO) and ha
14、s 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 Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the late
15、st 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 this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such pa
16、tent rights. 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ire
17、land, 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 13805:1999 has been approved by CEN as a EN ISO 13805:2009 without any modification. ii BS EN I
18、SO 13805:2009 Licensed CopyChinese University of Hong Kong, 13/06/2009 08:00, Uncontrolled Copy, (c) BSI ISO iii Introduction BS The spalling of porcelain enamelled aluminium, a defect characterized by separation of the porcelain enamel from the aluminium base material, is caused by poor adhesion. T
19、he spall test is therefore capable of controlling the quality of the enamelling process including the enamel formulation, the preparation of the base metal prior to enamelling, the application and firing procedures, and the aluminium alloy selected for enamelling. EN ISO 13805:2009 (E) EN ISO 13805:
20、2009 Licensed CopyChinese University of Hong Kong, 13/06/2009 08:00, Uncontrolled Copy, (c) BSI INTERNATIONAL STANDARD ISOISO 13805:1999(E) 1 Vitreous and porcelain enamels for aluminium Determination of the adhesion of enamels on aluminium under the action of electrolytic solution (spall test) 1 Sc
21、ope This International Standard specifies a test method for the accelerated determination of the resistance of porcelain enamel coatings on aluminium and aluminium alloys to spalling as a result of exposure to moisture or weathering. Because spalling is caused by the lack of adhesion between the coa
22、ting and the base metal, the spall test is a test of adhesion. The greater the extent of spalling in this test, the greater the likelihood that the article will spall in service. 2 Normative references The following normative documents contain provisions which, through reference in this text, consti
23、tute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editi
24、ons of the normative document indicated below. For undated references, the latest edition of normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. IS0 3819, Laboratory glassware Beakers. ISO 4788, Laboratory glassware Graduated
25、measuring cylinders. ISO 10141, Vitreous and porcelain enamels Vocabulary. ISO 13805, Vitreous and porcelain enamels on aluminium Production of specimens for testing. 3 Terms and definitions For the purposes of this International Standard, the terms and definitions given in ISO 10141 apply. 4 Princi
26、ple A scored enamelled aluminium specimen is exposed to an aqueous test solution consisting of antimony trichloride, SbCl3, having a concentration of 10 g/I, at an ambient temperature of 18 OC to 28 OC for 20 h. 5 Designation The test method for the determination of the adhesion of enamel coatings o
27、n aluminium and aluminium alloys by means of the spall test described in this International Standard shall be designated as follows: Test ISO 13805 Licensed CopyChinese University of Hong Kong, 13/06/2009 08:00, Uncontrolled Copy, (c) BSI ISO 2 6 Apparatus 6.1 Balance. 6.2 Graduate measuring cylinde
28、r, 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 needle. 7 Reagents 7.1 Test solution The
29、 test solution shall be an aqueous solution of technical grade antimony trichloride, SbCl3, with a concentration of 10 g/l. Prepare the test solution by dissolving 10 g of antimony trichloride, SbCl3, in 1 000 ml of distilled or demineralized water and stir continuously. NOTE Hydrochloric acid and a
30、 white precipitate consisting of a mixture of antimonious oxychloride, SbOCl, and antimony trioxide, 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 moist or wet antimony trichlor
31、ide. Prepare a fresh solution for each test on the same day as it is to be used. 7.2 Cleaning solution The cleaning solution shall be a sodium n-alkyl (C10-C13) benzene sulphonate with a concentration of active substance of 0,1 % dissolved in distilled or demineralized water. 8 Specimen 8.1 Selectio
32、n The specimen may be a commercially available article or a part of it. Alternatively, it may be a specially prepared specimen in accordance with ISO 13804. 8.2 Preparation Prepare at least one cut edge of the specimen immediately prior to the test. The angle between the cut edge and the surface of
33、the specimen shall be approximately 90 O. If required, refinish the cut edge with a file (6.6) where the filing direction shall be from enamel to metal. Wet the cut edge completely with the test solution (7.1) along its whole length. Score a cross along the whole specimen surface using the steel nee
34、dle (6.7) such that it extends to the base metal. EN ISO 13805:2009 (E) BS EN ISO 13805:2009 Licensed CopyChinese University of Hong Kong, 13/06/2009 08:00, Uncontrolled Copy, (c) BSI ISO 3 8.3 Cleaning The specimen shall be clean and free of grease or similar impurities which may affect the test re
35、sults. Therefore immerse the specimen in the cleaning solution (7.2) at a temperature of about 40 oC for approximately 3 min. Rinse it in tap water and then in distilled or demineralized water. 9 Procedure The quantity of test solution depends on the size of the specimen and shall be at least 3 ml f
36、or each cm2 of surface area. Immerse the specimen completely in the test solution (7.1) in a beaker or plastic vessel of suitable size (6.3) for 20 h, suspending the specimen by a plastic or glass hook or by means of a stand (6.4). During this time the ambient temperature shall be between 18 OC and
37、28 OC. The test solution (7.1) shall not come into contact with any metal other than the specimen. After the 20 h test period, take the specimen out of the test solution (7.1), rinse it in water and clean it with the viscose sponge (6.5) to remove loose fragments of enamel. Then dry the specimen in
38、air. 10 Expression of results Examine each specimen visually from a distance of 250 mm. Describe the following types of damage in the test report (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 2
39、5 mm; b) any spall area on the specimen surface not touching an edge or a score mark, that is greater than 10 mm2; c) more than one spall area (even if individual areas are less than 10 mm2) per dm2 of the surface area, disregarding pinholes. 11 Test report The test report shall include the followin
40、g 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) BS EN ISO 13805:2009 Licensed CopyChinese University of Hong
41、Kong, 13/06/2009 08:00, Uncontrolled Copy, (c) BSI blank Licensed CopyChinese University of Hong Kong, 13/06/2009 08:00, Uncontrolled Copy, (c) BSI BSI Group Headquarters 389 Chiswick High Road, London W4 4AL, UK Tel +44 (0)20 8996 9001 Fax +44 (0)20 8996 7001 British Standards Institution (BSI) BS
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