ISO INTERNATIONAL STANDARD 16835 First edition 2014-04-01 Refractory products Determination of thermal expansion Produits réfractaires - Dosage de la dilatation thermique Reference number IS0 16835:2014(E) IS @ IS0 2014 IS0 16835:2014(E) COPYRIGHTPROTECTEDDOCUMENT @IS02014 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+41227490947 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved IS0 16835:2014(E) Contents Page Foreword .iv 1 Scope ..1 2 Normative references ..1 3 Terms and definitions ..1 4 Contact method with cylindrical test piece .3 4.1 Principle .3 4.2 Apparatus ..3 4.3 Testpiece ..8 4.4 Procedure .10 4.5 Calculation and drawing. .10 5 Contact method with rod test piece ..14 5.1 Principle. .14 5.2 Apparatus, implement and reference sample 14 5.3 Testpiece 17 5.4 Procedure. .18 5.5 Calculation and drawing .19 Non-contact method .22 6.1 Principle. 22 6.2 Procedure .23 6.3 Calculation and drawing a figure 23 7 Test report .25 Annex A (informative) Characteristics of the test methods. .27 Annex B (informative) Recommended values of linear thermal expansion rate and coefficient of linear thermal expansion of reference sample .28 Annex C (informative) Example of apparatus and test piece for non contact method .30 Bibliography .37 @isn201Aallrightsreserved ii