ISO INTERNATIONAL STANDARD 17140 First edition 2014-06-01 Fine ceramics (advanced ceramics, advanced technical ceramics) - Mechanical properties of ceramic composites at room temperature - Determination of fatigue properties at constant amplitude Céramiques techniques - Propriétés mécaniques des composites ceramiques a température ambiante - Determination des propriétés de fatigue a amplitude constante Reference number ISO 17140:2014(E) LSO @ IS0 2014 I without license from IHS Not for Resale IS0 17140:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2014 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 Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 17140:2014(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references ..1 3 Terms and definitions 3.1 General .1 3.2 Cyclic fatigue phenomena 4 Principle. 5 Significance and use .5 6 Apparatus ..6 6.1 Fatigue test machine ..6 6.2 Load train... 6.3 Extensometer .7 6.4 Data recording system 1 6.5 Micrometers .7 7 Test specimens. 1 8 Test specimen preparation ..8 8.1 Machining and preparation 8.2 Number of test specimens. ..8 9 Test procedure ..8 9.1 Measurement of test specimen dimensions 9.2 Testing technique. .9 9.3 Test validity. ..9 10 Calculation of results .10 10.1 Time to failure, tf. ..10 10.2 Damage parameters. ..10 10.3 Residual properties.. .10 11 Test report ..12 Annex A (informative) Schematic evolution of E .14 iii ded by IHS under license with ISt ed without license from IHS Not for Resale