ISO INTERNATIONAL STANDARD 20032 Secondedition 2013-08-01 Method for evaluation of tensile properties of metallic superplastic materials Methode de détermination des caracteristiquesde traction des materiaux metalliques superplastiques Reference number IS020032:2013(E) LSO @IS02013 ted without license from IHS Not for Resale IS020032:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Case postale 56.CH-1211 Geneva 20 Tel. +4122 749 0111 Fax +41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproduction or networking permited without license from IHS Not for Resale IS020032:2013(E) Contents Page Foreword ..iv Introduction.. 1 Scope.. 2 Normative references 3 Symbols,terms and definitions 4 Principle 5 Testpiece. 6 Apparatus. .5 6.1 Testing machine .5 6.2 Clamping devicefortest pieces .5 6.3 Heating apparatus. 5 6.4 Atmosphere .5 6.5 Thermometric apparatus .5 7 Procedure. 6 7.1 General. ..6 7.2 Methodforclampingthetestpiece .6 7.3 Measurementofthetesttemperature 7.4 Applicationoftheforce 6 7.5 Method for dimensional measurement oftest pieces ..6 7.6 Method for determining the superplastic elongation .6 7.7 Determination of strain rate sensitivity exponent (m-value) .7 7.8 Determination ofthem-valuewiththeR-typetestpiece .8 8 Testreport .10 iii IHS under I nse with IS thout license from IHS Not for Resale