Buried coupons are being utilized for determining the IR Drop of buried structures. There are several applications used for this purpose. These applications do have some limitations. This paper will explain the practical applications and typical limitations of the use of buried coupons for determining IR Drop and to verify the polarization level of buried structures.

Subject
CP coupons, Steel structures, Underground structures, Voltage drops, Materials, Tubes, Steel coupons, Reference electrodes, Steel, Corrosion coupons, Polarization, Instant off potential, Electrode potential
Keywords:
IR Drop, coupons, cathodic protection, pipelines, holidays
© 1997 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1997
Association for Materials Protection and Performance (AMPP)
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