IEC IEC 61788-4 Edition5.02020-03 INTERNATIONAL STANDARD NORME INTERNATIONALE colour nside Superconductivity - Part 4: Residual resistance ratio measurement -Residual resistance ratio of Nb-Ti and Nb3Sn composite superconductors Supraconductivite - Partie 4: Mesurage du rapport de resistance résiduelle - Rapport de résistance résiduelle des composites supraconducteurs de Nb-Ti et de NbsSn IEC 61788-4:2020-03(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2020 IEC, Geneva, Switzerland 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 IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, piease contact the address below or your local IEC member National Committee for further information. Droits de reproduction reserves. Sauf indication contraire, aucune partie de cette publication ne peut etre reproduite ni utilisee sous quelqueforme que ce soit etpar aucun procede, électronique ou mecanique,y compris la photocopie et les microfilms, sans I'accord écrit de I'lEc ou du Comite national de I'IEC du pays du demandeur. Si vous avez des questions sur le copyright de I'lEC ou si vous desirez obtenir des droits supplementaires sur cette publication, utilisez les coordonnees ci-apres ou contactez le Comite national de I'lEC de votre pays de résidence. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembe [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland About theIEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. AboutIEcpublications latest edition, a corrigendum or an amendmentmight have been published. IEC publications search - webstore.iec.ch/advsearchform Electropedia - www.electropedia.org The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology variety of criteria (reference number, 'text, technical containing more than 22 000 terminological entries in English committee,...). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages. and withdrawn publications. Also known as the International Electrotechnical Vocabulary (IEV) online IEc Just Published - webstore.iec.ch/justpublished IEc Glossary - std.iec.ch/glossary Stay up to date on all new IEC publications. Just Published details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and once a month by email. French extracted from the Terms and Definitions clause of IEC publications issued since 2002. Some entries have been IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and If you wish to give us your feedback on this publication or CISPR. need furtherassistance,please contactthe Customer Service Centre: [email protected]. A propos de I'IEc La Commission Electrotechnique Internationale (IEC) est la premiere organisation mondiale qui élabore et publie des Normes internationales pour tout ce qui a trait a I'électricite, a i'electronique et aux technologies apparentees. A propos des publications IEc Le contenu technique des publications IEC est constamment revu.Veuillez vous assurer que vous possedez I'édition la plus recente,un corrigendum ou amendementpeutavoirétepublie RecherchedepublicationsIEC Electropedia-www.electropedia.org webstore.iec.ch/advsearchform Le premier dictionnaire d'électrotechnologie en ligne au Larechercheavanceepermet detrouverdes publications IEC monde,avec plus de 22 000 articles terminologiques en en utilisant differents criteres (numero de reference