ISO INTERNATIONAL STANDARD 19207 First edition 2016-09-15 Thermal spraying Classification method of adhesive strength by indentation Projection thermique - Meéthode de classification de la résistance adhésive parindentation Reference number IS0 19207:2016(E) ISO @ IS0 2016 IS0 19207:2016(E) COPYRIGHT PROTECTED DOCUMENT @ IS0 2016, 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 +4122 749 09 47 [email protected] www.iso.org Copyright ihtermational Organization for Standardization @ IS0 2016 - All rights reserved IS0 19207:2016(E) Contents Page Foreword ..iv Introduction. .V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions 4 Symbols and units ..1 5 Principle .3 6 Test pieces and sample preparation ..3 6.1 Thicknesses of coating and substrate .4 6.2 Sample size. .4 6.3 Sample cutting 6.4 Mounting. .4 6.5 Surface preparation .4 7 Apparatus ..5 7.1 Indentation testing machines. .5 7.2 Indenter. .5 7.3 Impression and crack measurements .6 8 Procedure and conditions of testing. .6 8.1 Indentation ..6 8.2 Impression and crack length measurement .7 8.2.1 General. 8.2.2 Method A. 7 8.2.3 Method B. .7 9 Evaluation of adhesion index ..9 9.1 Criterions of interfacial crack initiation and critical indentation force .9 9.2 Classification of adhesive strength and notation of adhesion index. .9 9.3 Test validity .11 10 Test report .12 10.1 Items to be reported. .12 10.2 Items to be selected to report ..12 Bibliography .13 CopyightIntermational OrarazAlh rights reserved iii