BS ISO 14188:2012 BSI Standards Publication Metallic and other inorganic coatings Test methods for measuring thermal cycle resistance and thermal shock resistance for thermal barrier coatings bsi. ..making excellence a habit. BSISO14188:2012 BRITISHSTANDARD National foreword This British Standard is the UK implementation ofISO 14188:2012. The UK participation in its preparation was entrusted to Technical Committee STI/40, Thermally sprayed inorganic finishes. 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. @ The British Standards Institution 2012. Published by BSI Standards Limited 2012 ISBN9780580691034 ICS 25.220.20 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2012. Amendments issued since publication Date Textaffected BSISO 14188:2012 INTERNATIONAL ISO STANDARD 14188 First edition 2012-10-15 Metallic and other inorganic coatings Test methods for measuring thermal cycle resistance and thermal shock resistance for thermal barrier coatings Revetements metalliques etautres revetements inorganiques Methodes d'essai pour mesurer la resistance au cyclage thermique et la resistance au choc thermique des revetements barrieres thermiques Reference number ISO14188:2012(E) (so @ISO2012 BSISO14188:2012 ISO14188:2012(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2012 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 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 2012 -All rights reserved BSISO14188:2012 ISO 14188:2012(E) Contents Page Foreword iv Introduction 1 Scope. 2 Normative references. 3 Terms and definitions. 4 Principle. 3 5 Test methods 3 5.1 General.... 3 5.2 Thermal cycle resistance method. 3 5.3 Thermal shock resistance method 10 6 Test reports. 13 6.1 General.. ..13 6.2 Test report of thermal cycle resistance method .14 6.3 Test report of thermal shock resistance method 14 Bibliography. .15 @ISO 2012-All rights reserved ili BSISO14188:2012 ISO 14188:2012(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (lSOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISo Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/lECDirectives,Part2 The main task of technical committees is to prepare International Standards. Draft International Standards 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 of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 14188 was prepared by Technical Committee ISO/TC 107, Metallic and other inorganic coatings. iv ISO 2012-All rights reserved BSISO14188:2012 ISO 14188:2012(E) Introduction Thermal barrier coatings are highly advanced material systems, generally applied to surfaces of hot-section parts made of nickel or cobaltbased superalloys, such as blades, vanes and combustors in gas turbines and aero-engines, operated at elevated temperatures. load bearing alloys and coating surfaces. By shielding these parts, these coatings permit the use of high operating ISO 2012 - All rights reser