ISO INTERNATIONAL STANDARD 20267 First edition 2017-05 Thermal spraying Determination of interfacial toughness of ceramic coatings by indentation Projection thermique - Détermination de la ténacite interfaciale des revetements céramiques par indentation Reference number IS0 20267:2017(E) International Organization for Standardization @ IS0 2017 see=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under I mitted without license from IHS IS0 20267:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland 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. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Internatinir DrganizationforStandardization Licensee-ZHEJIANG INST OF STANDARDIZzRoISQ7 - All rights reserved networking permited without license from IHS IS0 20267:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Symbols and units ..1 5 Principle ..3 6 Test pieces and sample preparation 6.1 Thicknesses of coating and substrate ..4 6.2 Samplesize ..4 6.3 Sample cutting .4 6.4 Mounting. 6.5 Surface polishing .4 7 Apparatus. .5 8 Procedure and conditions of testing .5 8.1 Indentation 5 8.2 Indentation and crack length measurement ..5 9 Evaluation of indentation interfacial toughness .7 9.1 Analysis .7 9.2 Test validity .7 10 Test report. .8 10.1 Items to be reported. ..8 10.2 Other items to be reported .9 Bibliography .10 ii Not for Resale, 2017/8/21 01:24:45 icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under lic se with ISt d without license from IHS