BS ISO BRITISH STANDARD 26423:2009 Fine ceramics (advanced ceramics, advanced technical ceramics)- Determination of coating thickness by crater-grinding method ICS 81.060.30 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTEDBY COPYRIGHTLAW British Standards BSISO 26423:2009 National foreword This British Standard is the UK implementation of ISO 26423:2009. The UK participation in its preparation was entrusted to Technical Committee RPI/13, Advanced technical ceramics. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was Amendments/corrigenda issued since publication published under the authority ofthe Standards Date Policy and Strategy Comments Committee on 28 February 2009 BSI 2009 ISBN9780580589690 BSISO 26423:2009 ISO INTERNATIONAL STANDARD 26423 First edition 2009-01-15 Fine ceramics (advanced ceramics, advanced technical ceramics) Determination of coating thickness by crater-grinding method Ceramiques techniques-Détermination de I'epaisseur de revetement par la methode de meulage de cratere Referencenumber ISO 26423:2009(E) @ISO 2009 BS ISO 26423:2009 ISO26423:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's 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 downloading this file, parties accept therein the responsibility of not infringing Adobe's 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 in the General Info relative to the file; the PDF-creation the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT ISO 2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any fom or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IsO at the address below or ISO's 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 [email protected] Web www.iso.org Published in Switzerland ii @ ISO 2009 All rights reserved BSISO26423:2009 ISO26423:2009(E) Contents Page Foreword. 1 Scope 2 Normativereferenc 3 Symbols 4 Principle.. 5 Sampling. 6 Test procedure 6.1 General. 6.2 Preparationforthetest 6.3 Test parameters.... 6.4 Exampleoftestparameters. 7 Microscopicexaminationandmeasurement. 7.1 Examination. 7.2 Measurement.. 8 Calculations 9 Uncertaintyand sources oferror.. 10 Testreport Annex A(informative) Errors associated with using different formulae for calculating film thickness 9 AnnexB (informative)Estimatingmeasurementuncertaintyanderrors 12 Bibliography..... @ ISo 2009 - All rights reserved ii BS IS0 26423:2009 ISO26423:2009(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technical committees. Each member body interested in a subject for which a technical committee has been International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard req