SANS 10275-2009 Metallic materials - Sheet and strip - Determination of tensile strain hardening exponent《金属材料 板材和带材 拉伸应力硬化指数测定》.pdf
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1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-22676-3 SANS 10275:2009Edition 2ISO 10275:2007Edition 2SOUTH AFRICAN NATIONAL STANDARD Metallic materials Sheet and strip Determination of
4、 tensile strain hardening exponent This national standard is the identical implementation of ISO 10275:2007 and is adopted with the permission of the International Organization for Standardization. Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001Tel: +
5、27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS SANS 10275:2009 Edition 2 ISO 10275:2007 Edition 2 Table of changes Change No. Date Scope National foreword This South African standard was approved by National Committee SABS TC 164, Engineering materials Mechanical testing of metals, in accor
6、dance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in October 2009. This SANS document supersedes SANS 10275:2003 (edition 1). Reference numberISO 10275:2007(E)ISO 2007INTERNATIONAL STANDARD ISO10275Second editi
7、on2007-06-01Metallic materials Sheet and strip Determination of tensile strain hardening exponent Matriaux mtalliques Tles et bandes Dtermination du coefficient dcrouissage en traction SANS 10275:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the
8、SABS .ISO 10275:2007(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In
9、 downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found i
10、n the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the add
11、ress given below. COPYRIGHT PROTECTED DOCUMENT ISO 2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IS
12、O at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2007 All rights reservedSANS 10275:2009This s tandar
13、d may only be used and printed by approved subscription and freemailing clients of the SABS .ISO 10275:2007(E) ISO 2007 All rights reserved iiiContents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references . 1 3 Symbols and designations 1 4 Principle. 3 5 Test equipment . 3 6 Test piece
14、s 3 7 Procedure 3 8 Test report . 8 Annex A (informative) International comparison of symbols used in the determination of the tensile strain hardening exponent . 9 Bibliography . 10 SANS 10275:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SA
15、BS .ISO 10275:2007(E) iv ISO 2007 All rights reservedForeword ISO (the International 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. E
16、ach 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, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Internati
17、onal Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standa
18、rds adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject
19、 of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 10275 was prepared by Technical Committee ISO/TC 164, Mechanical testing of metals, Subcommittee SC 2, Ductility testing. This second edition cancels and replaces the first edition (ISO 10275:1993
20、), which has been technically revised. SANS 10275:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .ISO 10275:2007(E) ISO 2007 All rights reserved vIntroduction In the former version of this International Standard, for the calculation of th
21、e true strain, the elastic strain did not need to be subtracted from the total strain if it was lower than 10 % of the total strain. In this new International Standard, the elastic strain is subtracted from the total strain for calculation of the true strain, which is now referred to as “true plasti
22、c strain”. SANS 10275:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .SANS 10275:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .INTERNATIONAL STANDARD ISO 10275:2007(E) ISO 20
23、07 All rights reserved 1Metallic materials Sheet and strip Determination of tensile strain hardening exponent 1 Scope This International Standard specifies a method for determining the tensile strain hardening exponent n of flat products (sheet and strip) made of metallic materials. The method is va
24、lid only for that part of the stress-strain curve in the plastic range where the curve is continuous and monotonic (see 7.4). In the case of materials with a serrated stress-strain curve in the work hardening range (materials which show the Portevin-Le Chatelier effect, e.g. AlMg-alloys) the automat
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