EN ISO 2931-2018 en Anodizing of aluminium and its alloys - Assessment of quality of sealed anodic oxidation coatings by measurement of admittance.pdf
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1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Anodizing of aluminium and its alloys - Assessment of quality of sealed anodic oxidation coatings by measurement of admittanceBS EN ISO 2931:2018National forewordThis British Standard is the UK implementation of EN ISO
2、2931:2018. It is identical to ISO 2931:2017. It supersedes BS EN ISO 2931:2010, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee STI/33, Electrodeposited and related coatings.A list of organizations represented on this committee can be obtained on reque
3、st to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 92454 5ICS 25.220.20Compliance with a British S
4、tandard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO 2931:2018EUROPEAN STANDARDNORME E
5、UROPENNEEUROPISCHE NORMEN ISO 2931February 2018ICS 25.220.20 Supersedes EN ISO 2931:2010EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2018 CEN Ref. No. EN ISO 2931:2018: EAll rights o
6、f exploitation in any form and by any means reserved worldwide for CEN national MembersAnodizing of aluminium and its alloys - Assessment of quality of sealed anodic oxidation coatings by measurement of admittance (ISO 2931:2017)Anodisation de laluminium et de ses alliages - valuation de la qualit d
7、es couches anodiques colmates par mesurage de ladmittance (ISO 2931:2017)Anodisieren von Aluminium und Aluminiumlegierungen - Prfung der Qualitt von verdichteten, anodisch erzeugten Oxidschichten durch Messung des Scheinleitwertes (ISO 2931:2017)This European Standard was approved by CEN on 1 Decemb
8、er 2017.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 obtai
9、ned 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-
10、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, Ireland, I
11、taly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN ISO 2931:2018 (E)European forewordThis document (EN ISO 2931:2018) has been prepared by Technical Committee
12、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 endorse
13、ment, at the latest by August 2018, and conflicting national standards shall be withdrawn at the latest by August 2018.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all su
14、ch patent rights.This document supersedes EN ISO 2931:2010.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,
15、Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.Endorsement noticeThe
16、 text of ISO 2931:2017 has been approved by CEN as EN ISO 2931:2018 without any modification.2BS EN ISO 2931:2018ISO 2931:2017(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 Principle 25 Apparatus and materials 26 Test specimen 36.1 Sampling . 36.2 Treatme
17、nt before testing 37 Procedure. 38 Expression of results 49 Test report . 4Bibliography 5 ISO 2017 All rights reserved iiiContents PageBS EN ISO 2931:2018ISO 2931:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO membe
18、r 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, governmenta
19、l 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.The procedures used to develop this document and those intended for its further maintenance ar
20、e described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is d
21、rawn 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. Details of any patent rights identified during the development of the document will be in the Introduction and/or o
22、n the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expres
23、sions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.This document was prepared by Technical Committee ISO/TC 79, Light metals
24、 and their alloys, Subcommittee SC 2, Organic and anodic oxidation coatings on aluminium.This fourth edition cancels and replaces the third edition (ISO 2931:2010), which has been technically revised.The main changes compared to the previous edition are as follows: the content of Clause 6, now entit
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