Electrochemical impedance spectroscopy (EIS) has been found to be a rapid an accurate technique for measuring corrosion rates in the most difficult situations and for yielding precious information concerning the occurrence of localized corrosion. When used in absence of potentiostatic control the technique carries less instrumental overhead and can additionally be operated in the least perturbing manner. The results obtained during two recent field tests will serve to illustrate the advantages of using EIS for on-line monitoring of general and localized corrosion.

Subject
Pits, Electrochemical impedance spectroscopy, Water, Corrosion rate, Rods, Corrosion inhibitors, Pitting, Corrosion coupons, Biocides, Localized corrosion, Polarization resistance, Microbiologically influenced corrosion, Samples
Keywords:
Electrochemical Impedance Spectroscopy, field testing, corrosion monitoring, localized corrosion, microbial corrosion
© 1993 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).
1993
Association for Materials Protection and Performance (AMPP)
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