IR Drop coupons are being utilized worldwide to determine the IR Drop in a potential measurement of a buried structure and to determine the effectiveness of cathodic protection on the buried structure. This paper will explain the use of IR Drop Coupons as a test method for determining IR Drop, cathodic protection effectiveness and verify the polarization level of buried structures.

Subject
CP coupons, Steel structures, Underground structures, Voltage drops, Materials, Tubes, Steel coupons, Reference electrodes, Structures, Corrosion coupons, Polarized potential, Electrode potential, Coupons
Keywords:
IR Drop, IR Drop Coupons, cathodic protection, pipelines, holidays
© 1998 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).
1998
Association for Materials Protection and Performance (AMPP)
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