Pipelines designed and installed using current technology easily meet or exceed today’s corrosion control standards. However, a majority of the pipelines in the world are much older and applying today’s standards and technology requires sound engineering practices, as well as practical and good common sense. The application of the 100-millivolt polarization is discussed.

Subject
Depolarization, Electric current, CP coupons, Polarization criteria, Voltage drops, Cathodic protection, Pipelines, Free corrosion potential, Disbondment, Polarization, Polarized potential, Instant off potential, Electrode potential
© 2001 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).
2001
Association for Materials Protection and Performance (AMPP)
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