EN ISO 4492-2017 en Metallic powders excluding powders for hardmetals - Determination of dimensional changes associated with compacting and sintering.pdf
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1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Metallic powders, excluding powders for hardmetals Determination of dimensional changes associated with compacting and sinteringBS EN ISO 4492:2017National forewordThis British Standard is the UK implementation of EN IS
2、O 4492:2017. It is identical to ISO 4492:2017. It supersedes BS EN ISO 4492:2013, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee ISE/65, Sintered metal components.A list of organizations represented on this committee can be obtained on request to its
3、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 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 97217 1ICS 77.160Compliance with a British Standard canno
4、t confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO 4492:2017EUROPEAN STANDARDNORME EUROPENNEEUROP
5、ISCHE NORMEN ISO 4492November 2017ICS 77.160 Supersedes EN ISO 4492:2013EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN Ref. No. EN ISO 4492:2017: EAll rights of exploitation i
6、n any form and by any means reserved worldwide for CEN national MembersMetallic powders, excluding powders for hardmetals - Determination of dimensional changes associated with compacting and sintering (ISO 4492:2017)Poudres mtalliques lexclusion des poudres pour mtaux-durs - Dtermination de changem
7、ents dimensionnels lis la compression et au frittage (ISO 4492:2017)Metallpulver, mit Ausnahme von Hartmetallpulvern - Ermittlung der Manderungen beim Pressen und Sintern (ISO 4492:2017)This European Standard was approved by CEN on 2 November 2017.CEN members are bound to comply with the CEN/CENELEC
8、 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 obtained on application to the CEN-CENELEC Management Centre or t
9、o 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-CENELEC Management Centre has the same status as the officia
10、l 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, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Nor
11、way, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN ISO 4492:2017 (E)European forewordThis document (EN ISO 4492:2017) has been prepared by Technical Committee ISO/TC 119 “Powder metallurgy”.This European Standard shall
12、be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2018, and conflicting national standards shall be withdrawn at the latest by May 2018.Attention is drawn to the possibility that some of the elements of this document may be
13、 the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights.This document supersedes EN ISO 4492:2013.According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Euro
14、pean 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, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slova
15、kia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.Endorsement noticeThe text of ISO 4492:2017 has been approved by CEN as EN ISO 4492:2017 without any modification.2BS EN ISO 4492:2017ISO 4492:2017(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Pr
16、inciple 15 Test parameters . 15.3 From die size to sintered size (total dimensional change). 26 Symbols and designations 27 Apparatus . 28 Sampling 29 Procedure. 210 Expression of results 310.1.1 Green dimensional change (spring back) . 310.1.2 Sintered dimensional change (positive or negative) 310.
17、1.3 Total dimensional change (positive or negative) . 311 Test report . 4Annex A (informative) Information on dimensional change behaviour . 9 ISO 2017 All rights reserved iiiContents PageBS EN ISO 4492:2017ISO 4492:2017(E)ForewordISO (the International Organization for Standardization) is a worldwi
18、de 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 tha
19、t 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.The procedures used to develop this docum
20、ent and those intended for its further maintenance are 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 Directive
21、s, Part 2 (see www.iso.org/directives).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. Details of any patent rights identified during the development
22、 of the document will be in the Introduction and/or on 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 st
23、andards, the meaning of ISO specific terms and expressions 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 pr
24、epared by Technical Committee ISO/TC 119, Powder metallurgy, Subcommittee SC 2, Sampling and testing methods for powders (including powders for hardmetals).This fourth edition cancels and replaces the third edition (ISO 4492:2013), of which it constitutes a minor revision to adjust tolerances and ge
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