1、BSI Standards PublicationBS EN 13523-5:2014Coil coated metals TestmethodsPart 5: Resistance to rapid deformation(impact test)BS EN 13523-5:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 13523-5:2014.It supersedes BS EN 13523-5:2001 which is withdrawn.The U
2、K participation in its preparation was entrusted to TechnicalCommittee STI/21, Surface preparation of steel.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users a
3、re responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 80212 6ICS 17.040.20; 25.220.60Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authori
4、ty of theStandards Policy and Strategy Committee on 30 June 2014.Amendments issued since publicationDate Text affectedBS EN 13523-5:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13523-5 June 2014 ICS 25.220.60 Supersedes EN 13523-5:2001English Version Coil coated metals - Test methods - P
5、art 5: Resistance to rapid deformation (impact test) Tles prlaques - Mthodes dessai - Partie 5 : Rsistance la dformation rapide (essai de choc) Bandbeschichtete Metalle - Prfverfahren - Teil 5: Widerstandsfhigkeit gegen schnelle Verformung (Schlagprfung) This European Standard was approved by CEN on
6、 7 May 2014. 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
7、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 th
8、e 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ire
9、land, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Ce
10、ntre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13523-5:2014 EBS EN 13523-5:2014EN 13523-5:2014 (E) 2 Contents Page Foreword 3 1 Scope 5 2 Normative references 5 3 Terms and definitions
11、.5 4 Principle 5 5 Apparatus and materials .5 6 Sampling .5 7 Test panels .6 8 Procedure .6 9 Expression of results 6 10 Precision .6 11 Test report 6 Annex A (informative) Conversion of units 8 Bibliography 9 BS EN 13523-5:2014EN 13523-5:2014 (E) 3 Foreword This document (EN 13523-5:2014) has been
12、prepared by Technical Committee CEN/TC 139 “Paints and varnishes”, the secretariat of which is held by DIN. 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 December 2014, and conflicting national
13、standards shall be withdrawn at the latest by December 2014. 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
14、EN 13523-5:2001. The main technical changes are: a) the limitation in the scope to coatings having a thickness of 60 m maximum was deleted; b) a remark on preconditioning was added; c) details on the brands of the tape used were added; d) in addition to use a 10 magnifying glass, the evaluation shal
15、l be carried out with normal corrected vision. EN 13523, Coil coated metals Test methods, consists of the following parts: Part 0: General introduction Part 1: Film thickness Part 2: Gloss Part 3: Colour difference Instrumental comparison Part 4: Pencil hardness Part 5: Resistance to rapid deformati
16、on (impact test) Part 6: Adhesion after indentation (cupping test) Part 7: Resistance to cracking on bending (T-bend test) Part 8: Resistance to salt spray (fog) Part 9: Resistance to water immersion Part 10: Resistance to fluorescent UV radiation and water condensation Part 11: Resistance to solven
17、ts (rubbing test) Part 12: Resistance to scratching Part 13: Resistance to accelerated ageing by the use of heat BS EN 13523-5:2014EN 13523-5:2014 (E) 4 Part 14: Chalking (Helmen method) Part 15: Metamerism Part 16: Resistance to abrasion Part 17: Adhesion of strippable films Part 18: Resistance to
18、staining Part 19: Panel design and method of atmospheric exposure testing Part 20: Foam adhesion Part 21: Evaluation of outdoor exposed panels Part 22: Colour difference Visual comparison Part 23: Resistance to humid atmospheres containing sulfur dioxide Part 24: Resistance to blocking and pressure
19、marking Part 25: Resistance to humidity Part 26: Resistance to condensation of water Part 27: Resistance to humid poultice (Cataplasm test) Part 29: Resistance to environmental soiling (Dirt pick-up and striping) According to the CEN-CENELEC Internal Regulations, the national standards organizations
20、 of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, N
21、etherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 13523-5:2014EN 13523-5:2014 (E) 5 1 Scope This part of EN 13523 specifies the procedure for determining the resistance to cracking and/or pick-off on rapid deformation
22、of an organic coating on a metallic substrate in terms of energy which the specimen will withstand. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited
23、 applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 13523-0:2014, Coil coated metals Test methods Part 0: General introduction EN 23270, Paints and varnishes and their raw materials Temperatures and humidities for conditioning and te
24、sting (ISO 3270) EN 60454-2, Pressure-sensitive adhesive tapes for electrical purposes Part 2: Methods of test (IEC 60454-2) EN ISO 6272-1, Paints and varnishes Rapid-deformation (impact resistance) tests Part 1: Falling-weight test, large-area indenter (ISO 6272-1) 3 Terms and definitions For the p
25、urposes of this document, the terms and definitions given in EN 13523-0:2014 apply. 4 Principle The test specimen is deformed (indentation in the form of a dome), using a falling weight. Usually, the deformation is carried out from the reverse side but can occasionally be carried out directly on the
26、 coated surface under test. The resistance of the coating to cracking and/or pick off is then determined. 5 Apparatus and materials 5.1 Apparatus in accordance with EN ISO 6272-1, equipped with a hemispherical striker, of diameter 20 mm and having two scales, one of which corresponding to a mass of
27、1 000 g, the other to a mass of 2 000 g. 5.2 Magnifying glass 10. 5.3 Transparent pressure-sensitive adhesive tape, 25 mm wide, with an adhesion strength of (10 1) N per 25 mm width when tested in accordance with EN 60454-2. 6 Sampling See EN 13523-0. BS EN 13523-5:2014EN 13523-5:2014 (E) 6 7 Test p
28、anels See EN 13523-0. 8 Procedure Measure the resistance to rapid deformation at ambient temperature. For more accurate measurements, as required for instance in case of dispute, the temperature shall be (23 2) C and the relative humidity (50 5) % in accordance with EN 23270. Conditioning is carried
29、 out in accordance with EN 13523-0:2014, Clause 6. Place the test panel in the apparatus (5.1) with the coated surface to be tested facing downward (reverse impact test). The test may occasionally be carried out for forward impact. Drop the mass from the required height to provide the appropriate en
30、ergy of impact. Assess the resistance to cracking with normal corrected vision and the 10 magnifying glass (5.2). If resistance to pick-off is to be evaluated, remove two complete laps from a reel of the adhesive tape (5.3) and discard. Remove an additional length at a steady rate and cut a piece, a
31、pproximately 75 mm long. Place the centre of the tape over the deformation and smooth the tape into place over a distance of at least 20 mm either side with a finger. To ensure good contact with the coating, rub the tape firmly with a fingertip. The colour of the coating seen through the tape is a u
32、seful indication of overall contact. Within 5 min of applying the tape, remove the tape by holding the free end and pulling it off steadily in 0,5 s to 1 s at an angle that is as close as possible to 60 to the panel. Resistance to pick-off is evaluated after removal of tape: no loss of adhesion is a
33、llowed. Retain the tape for reference purposes, for example by attaching it to a sheet of transparent film. 9 Expression of results Record the resistance to no cracking and/or no loss of adhesion in Joules. State whether resistance to cracking and/or loss of adhesion has been measured. 10 Precision
34、No precision data are currently available. 11 Test report The test report shall contain at least the following information: a) all details necessary to identify the product tested; b) a reference to this part of EN 13523 (EN 13523-5); c) the results of the test, as indicated in Clause 9; BS EN 13523
35、-5:2014EN 13523-5:2014 (E) 7 d) any deviation from the test method specified; e) any unusual features (anomalies) observed during the test; f) the date of the test. BS EN 13523-5:2014EN 13523-5:2014 (E) 8 Annex A (informative) Conversion of units For the purpose of this test, the following approxima
36、tions may be used: 1 J (or 1 Nm) = 0,1 kgf m = 0,1 kp m = 8,8 lbf in 1 kgf m = 1 kp m = 9,8 J = 87 lbf in 1 lbf in = 0,113 J = 0,011 kgf m where J is Joule; Nm is Newton metre; kgf m is kilogramme-force metre; kp m is kilopond metre; lbf in is pound-force inch (inch pound). BS EN 13523-5:2014EN 1352
37、3-5:2014 (E) 9 Bibliography 1 EN 1396, Aluminium and aluminium alloys Coil coated sheet and strip for general applications Specifications 2 EN 10169, Continuously organic coated (coil coated) steel flat products Technical delivery conditions This page deliberately left blankThis page deliberately le
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