EN ISO 16808-2014 en Metallic materials - Sheet and strip - Determination of biaxial stress-strain curve by means of bulge test with optical measuring systems《金属材料 薄板和薄带 双向应力应变曲线的测.pdf
《EN ISO 16808-2014 en Metallic materials - Sheet and strip - Determination of biaxial stress-strain curve by means of bulge test with optical measuring systems《金属材料 薄板和薄带 双向应力应变曲线的测.pdf》由会员分享,可在线阅读,更多相关《EN ISO 16808-2014 en Metallic materials - Sheet and strip - Determination of biaxial stress-strain curve by means of bulge test with optical measuring systems《金属材料 薄板和薄带 双向应力应变曲线的测.pdf(36页珍藏版)》请在麦多课文档分享上搜索。
1、BSI Standards PublicationBS EN ISO 16808:2014Metallic materials Sheetand strip Determinationof biaxial stress-strain curveby means of bulge test withoptical measuring systems (ISO16808:2014)BS EN ISO 16808:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO
2、16808:2014.The UK participation in its preparation was entrusted to TechnicalCommittee ISE/101/2, Ductility testing.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.
3、 Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 76890 3ICS 77.040.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority
4、of theStandards Policy and Strategy Committee on 31 August 2014.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 16808 July 2014 ICS 77.040.10 English Version Metallic materials - Sheet and strip - Determination of biaxial stress-strain cu
5、rve by means of bulge test with optical measuring systems (ISO 16808:2014) Matriaux mtalliques - Tles et bandes - Dtermination de la courbe contrainte-dformation biaxiale au moyen de lessai de gonflement hydraulique avec systmes de mesure optiques (ISO 16808:2014) Metallische Werkstoffe - Bleche und
6、 Bnder - Bestimmung der biaxialen Spannung/Dehnung-Kurve durch einen hydraulischen Tiefungsversuch mit optischen Messsystemen (ISO 16808:2014) This European Standard was approved by CEN on 4 July 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the cond
7、itions 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 to any CEN member. This European Standard exist
8、s 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 official versions. CEN members are the national stan
9、dards 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, Norway, Poland, Portugal, Romania, Slovakia, Sl
10、ovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserv
11、ed worldwide for CEN national Members. Ref. No. EN ISO 16808:2014 EBS EN ISO 16808:2014EN ISO 16808:2014 (E) 3 Foreword This document (EN ISO 16808:2014) has been prepared by Technical Committee ISO/TC 164 “Mechanical testing of metals” in collaboration with Technical Committee ECISS/TC 101 “Test me
12、thods for steel (other than chemical analysis)” 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 endorsement, at the latest by January 2015, and conflicting national standards shall be
13、 withdrawn at the latest by January 2015. 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. According to the CEN-CENELEC Internal Regula
14、tions, the national standards organizations 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, Ita
15、ly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 16808:2014 has been approved by CEN as EN ISO 16808:2014 without any modification. BS EN ISO 168
16、08:2014ISO 16808:2014(E) ISO 2014 All rights reserved iiiContents PageForeword iv1 Scope . 12 Symbols and abbreviated terms . 13 Principle 24 Test equipment. 25 Optical measurement system 66 Test piece 66.1 General . 66.2 Application of grid . 67 Procedure. 78 Evaluation methods for the determinatio
17、n of the curvature and strains at the pole . 79 Calculation of biaxial stress-strain curves . 810 Test report . 9Annex A (informative) International comparison of symbols used in the determination of the bulge test flow curve 11Annex B (normative) Test procedure for a quality check of the optical me
18、asurement system .13Annex C (informative) Computation of the curvature on the basis of a response surface 16Annex D (informative) Determination of the equi-biaxial stress point of the yield locus and the hardening curve .18Bibliography .26BS EN ISO 16808:2014ISO 16808:2014(E)ForewordISO (the Interna
19、tional Organization for Standardization) is a worldwide 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 be
20、en established has the right to be represented on that 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 stan
21、dardization.The procedures used to develop this document 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 accord
22、ance with the editorial rules of the ISO/IEC Directives, 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
23、of any patent rights identified during the development 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 endors
24、ement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsi
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